# List of Boeing customer codes

Unique, fixed customer codes were used by Boeing Commercial Airplanes to denote the original customer for airframes produced as part of Boeing's 377 Stratocruiser and later 7x7 families of commercial aircraft until 2016.

## History

Boeing first used customer codes for the 377-10 Stratocruiser.
In 2016, Boeing announced that they would no longer apply customer codes to any aircraft produced after a certain point, which would lead to their designators being the "generic" type for the model. The codes were removed from the type certificates for each model with effect from the production line number shown below:
* Boeing 737 Next Generation: line number 6082
* Boeing P-8 Poseidon: line number 6020
* Boeing 747-8: line number 1534
* Boeing 767: line number 1102
* Boeing 777: line number 1422
Furthermore, customer codes have never been used for Boeing airplane models launched after the termination of customer codes, namely the 787, 737 MAX and 777X.

## Format

The codes are in the form of two letters and/or digits which are appended to the aircraft's model designator, as seen in the following examples:
* A Boeing 377-10 ordered by Pan American World Airways with customer code 26 would be designated 377-10-26.
* A Boeing 707-100 ordered by Qantas with customer code 38 would be designated as 707-138.
* A Boeing 717-200 ordered by Hawaiian Airlines with customer code 2A would be designated as 717-22A.
* A Boeing 727-100 and 727-200 ordered by American Airlines with customer code 23 are designated as 727-23 or 727-123 and 727-223, respectively.
* A Boeing 737-700 and 737-800 ordered by Southwest Airlines with customer code H4 would be designated as 737-7H4 and 737-8H4 respectively.
* A Boeing 747-200B, Boeing 747-400, Boeing 747-8I and Boeing 747-8F ordered by Korean Air with customer code B5 would be designated as, 747-2B5B, 747-4B5, 747-8B5 (not 747-8B5I) and 747-8B5(F) respectively.
* A Boeing 747SP ordered by Saudia with customer code 68 would be designated as Boeing 747SP-68 instead of 747-168(SP).
* A Boeing 747SR ordered by All Nippon Airways with customer code 81 would be designated as Boeing 747SR-81, instead of 747-181(SR).
* A Boeing 757-200 ordered by Delta Air Lines with customer code 32 would be designated as Boeing 757-232.
* A Boeing 767-300ER ordered by GECAS with customer code 6N would be designated as Boeing 767-36N(ER).
* A Boeing 777-200LR, 777-300, 777-300ER & 777F ordered by Emirates with customer code 1H would be designated as Boeing 777-21H(LR), Boeing 777-31H, Boeing 777-31H(ER) and 777-F1H (not 777-21H(F)) respectively.
The codes do not change if the aircraft is subsequently sold, such as if a passenger aircraft is owned and operated by another airline or converted into a freighter. Several examples are several 777-300s originally built for Emirates with customer code 1H and subsequently sold to Cathay Pacific are still designated at 777-31H, and a Boeing Dreamlifter that was originally built as a 747-400 passenger aircraft for China Airlines with customer code 09 subsequently sold to will be designated as 747-409(LCF) (instead of the original 747-409).
Exceptions existed, such as in some cases if an airline cancelled or sold their order before Boeing had commenced building the airframe, the customer code would be changed to that of the new purchaser. One such example is the order for sixteen 737-800s taken over by Qantas from American Airlines after the September 11 attacks in 2001 - these aircraft were delivered with Qantas' 38 code rather than 23 for American. Also, 2 747-200Bs purchased by British Airways were sold while under construction, to Malaysian Airline System and remained 747-236Bs. Another case is a situation where Boeing sells experimental aircraft to an airline, one example being the first two 777-300ERs built initially as experimental aircraft for Boeing which were subsequently sold to Japan Airlines had their codes changed from 777-300(ER) to 777-346(ER).

## List of Stratocruiser customer codes

Customer codes used for the 377 Stratocruiser did not carry over into the 7x7 series.
| Code | Customer | Aircraft |
| Code | Customer | 377 |
| 19 | Boeing | 377-10-19 |
| 26 | Pan American World Airways | 377-10-26 377-10-26S 377-28-26 |
| 27 | Transcontinental & Western Air | 377-10-27 |
| 28 | Scandinavian Airlines System | 377-10-28 |
| 29 | American Overseas Airlines | 377-10-29 |
| 30 | Northwest Orient Airlines | 377-10-30 |
| 32 | British Overseas Airways Corporation | 377-10-32 |
| 34 | United Air Lines | 377-10-34 |
| 39 | Cubana de Aviación | 377-17-39 |

## List of 7x7 family customer codes

Boeing generally allocated new codes in sequence, with the exception of 00 to 19 being issued after 21 to 99. Code number 20 itself came to be reserved for Boeing's own use, though this was only ever formally the case for the 707.
* 20 to 99 - First sequence
* 00 to 19 - Second sequence
* A0 to Z9 - Third sequence
* 0A to 9Z - Fourth sequence
* AA to ZZ - Fifth and final sequence
Airlines in italics are defunct.
Please note that the list of aircraft types for each airline is only those produced with that of the airline's code, and is not intended to reflect their complete operational history.

### First sequence

| Code | Customer | Aircraft | Aircraft | Aircraft | Aircraft | Aircraft | Aircraft | Aircraft | Aircraft | Aircraft |
| Code | Customer | 707 | 720 | 717 | 727 | 737 | 747 | 757 | 767 | 777 |
| 20 | Boeing | 707-320C | | | | | | | | |
| 21 | Pan Am / Pan American-Grace Airways | 707-121 707-121B 707-321 707-321B 707-321C | | | 727-21 727-21C 727-21QC 727-121C 727-221 | | 747-121 747SP-21 747-221F | | | |
| 22 | United Airlines | | 720-022 | | 727-22 727-22C 727-22QC 727-222 | 737-222 737-322 737-522 | 747-122 747-222B 747-422 | 757-222 | 767-222 767-322 | 777-222 |
| 23 | American Airlines | 707-123 707-123B 707-323B 707-323C | 720-023 720-023B | | 727-23 727-123 727-223 | 737-823 | 747-123 | 757-223 | 767-223 767-223(ER) 767-323 767-323(ER) | 777-223 777-323ER |
| 24 | Continental Airlines → United Airlines | 707-124 707-324C | 720-024B | | 727-24C 727-224 | 737-524 737-724 737-824 737-924 737-924ER | 747-124 | 757-224 757-324 | 767-224 767-324 767-424ER | 777-224 |
| 25 | Eastern Air Lines | | 720-025 | | 727-25 727-25C 72-225 | | 747-125 | 757-225 | | |
| 26 | United States Air Force - Military Air Transport Service | | | | | | | | | |
| 27 | Braniff International Airways | 707-227 707-327C | 720-027 | | 727-27 727-27C 727-227 | | 747-127 747SP-27 747-227B | | | |
| 28 | Air France | 707-328 707-328B 707-328C | | | 727-228 | 737-228 737-528 | 747-128 747-228B 747-228BC 747-228F 747-428 747-428F | | 767-328 | 777-228 777-328ER 777-F28 |
| 29 | Sabena → SN Brussels Airlines → Brussels Airlines | 707-329 707-329C | | | 727-29 727-29C | 737-229 737-229C 737-329 737-429 737-529 | 747-129 747-329 | | | |
| 30 | Lufthansa / Condor Flugdienst | 707-330B 707-330C 707-430 | 720-030B | | 727-30 727-30C 727-230 | 737-130 737-230 737-230C 737-230F 737-330 737-430 737-530 | 747-130 747-230B 747-230BC 747-230F 747-430 747-830 | 757-230 757-330 | 767-330 | |
| 31 | Trans World Airlines | 707-131 707-131B 707-331 707-331B 707-331C | | 717-231 | 727-31 727-31C 727-231 | | 747-131 747SP-31 | 757-231 | 767-231 | |
| 32 | Delta Air Lines | | | | 727-232 | 737-232 737-732 737-832 737-932ER | 747-132 | 757-232 | 767-232 767-332 767-432ER | 777-232 777-232LR |
| 33 | Air Canada | | | | 727-233 | | 747-133 747-233B 747-233BC 747-433 | | 767-233 767-233(ER) 767-333 767-333(ER) | 777-233LR 777-333ER |
| 34 | Transair Sweden | | | | 727-134 727-134C | | | | | |
| 35 | National Airlines | | | | 727-35 727-235 | | 747-135 | | | |
| 36 | British Overseas Airways Corporation → British Airways | 707-336B 707-336C 707-436 | | | | 737-236 737-436 | 747-136 747-236B 747-236F 747-436 | 757-236 | 767-336 767-336(ER) | 777-236 777-336ER |
| 37 | Air India | 707-337B 707-337C 707-437 | | | | | 747-237B 747-337 747-337BC 747-437 | | | 777-237LR 777-337ER |
| 38 | Qantas | 707-138 707-138B 707-338C | | | | 737-838 | 747SP-38 747-238B 747-238BC 747-238BL 747-238BLW 747-338 747-438 | | 767-238 767-238(ER) 767-338 767-338(ER) | |
| 39 | Cubana de Aviación | 707-139 707-139B | | | | | | | | |
| 40 | Pakistan International Airlines | 707-340C | 720-040B | | | 737-340 | 747-240B 747-240BC | | | 777-240 777-240LR 777-340ER |
| 41 | Varig | 707-341C 707-441 | | | 727-41 | 737-241 737-341 | 747-341 747-441 | | 767-241 767-341 | |
| 42 | Nordair | | | | | 737-242 737-242C | | | | |
| 43 | Alitalia | | | | 727-243 | | 747-143 747-243B 747-243F 747-443 | | 767-343 | 777-243 |
| 44 | South African Airways | 707-344 707-344B 707-344C | | | 727-44 727-44C | 737-244 737-844 | 747SP-44 747-244B 747-249BC 747-344 747-444 | | | |
| 45 | Seaboard World Airlines | 707-345C | | | | | 747-245F | | | |
| 46 | Japan Airlines | | | | 727-46 | 737-446 737-846 | 747-146 747-146B 747SR-46 747SR-146B 747-246B 747-246F 747-346 747-446 747-446D 747-446F | | 767-246 767-346 767-346F | 777-246 777-346 777-346ER |
| 47 | Western Airlines | 707-347C | 720-047B | | 727-247 | 737-247 737-347 | 747-247B | | | |
| 48 | Aer Lingus | 707-348C | 720-048 | | | 737-248 737-248C 737-348 737-448 737-548 | 747-148 | | | |
| 49 | Flying Tiger Line | 707-349C | | | | | 747-249F | | | |
| 50 | Trek Airways | | | | | | | | | |
| 51 | Northwest Orient Airlines → Northwest Airlines | 707-351B 707-351C | 720-051B | | 727-51 727-51C 727-151C 727-251 | | 747-151 747-251B 747-251F 747-451 747-451B | 757-251 757-351 | | |
| 52 | Aeroméxico | | | | | 737-752 737-852 | | | 767-352 | |
| 53 | United States Air Force | 707-153 707-153B 707-353B | | | | 737-253 | | | | |
| 54 | Mohawk Airlines | | | | 727-254 | | | | | |
| 55 | KLM | Not used | Not used | Not used | Not used | Not used | Not used | Not used | Not used | Not used |
| 55 | Executive Jet Aviation | 707-355C | | | 727-155C | | | | | |
| 56 | Iberia | | | | 727-256 | | 747-156 747-256B | 757-256 | | |
| 57 | Swissair | | | | | | 747-257B 747-357 747-357BC | | | |
| 58 | El Al | 707-358B 707-358C 707-458 | 720-058B | | | 737-258 737-758 737-858 737-958ER | 747-258B 747-258C 747-258F 747-458 | 757-258 | 767-258 | 777-258 |
| 59 | Avianca | 707-359B | 720-059B | | 727-59 727-259 | 737-159 | 747-259B 747-259C | | 767-259 | |
| 60 | Ethiopian Airlines | 707-360C | 720-060B | | 727-260 | 737-260 737-760 737-860 | | 757-260 757-260PF | 767-260 767-260(ER) 767-360 | 777-260LR 777-360ER 777-F60 |
| 61 | Federal Aviation Administration | | | | 727-61 | | | | | |
| 62 | Pacific Northern Airlines | | 720-062 | | 727-62C 727-162 | | | | | |
| 63 | WAAC | Not used | Not used | Not used | Not used | Not used | Not used | Not used | Not used | Not used |
| 63 | Ghana Airways | Not used | Not used | Not used | Not used | Not used | Not used | Not used | Not used | Not used |
| 63 | Faucett | | | | 727-63 | | | | | |
| 64 | Mexicana | | | | 727-64 727-264 | | | | | |
| 65 | Cunard Eagle and British Eagle | 707-365C 707-465 | | | | | | | | |
| 66 | United Arab Airlines → Egyptair | 707-366C | | | | 737-266 737-566 737-866 | 747-366 | | 767-266 767-266(ER) 767-366 767-366(ER) | 777-266 |
| 67 | Cathay Pacific | | | | | | 747-267B 747-267F 747-367 747-467 747-467F 747-867F | | | 777-267 777-367 777-367ER |
| 68 | Saudia | 707-368C | 720-068B | | | 737-268 737-268C | 747-168B 747SP-68 747-268F 747-368 | | | 777-268 777-368ER |
| 69 | Kuwait Airways | 707-369C | | | 727-269 | 737-269 | 747-269B 747-269BC 747-469 | | 767-269 767-269(ER) | 777-269 |
| 70 | Iraqi Airways | 707-370C | | | 727-270 | 737-270C | 747SP-70 747-270C | | | |
| 71 | Trans International Airlines → TransAmerica | | | | 727-171 727-171C | | 747-271C | | | |
| 72 | Airlift International | 707-372C | | | 727-172C | | | | | |
| 73 | World Airways | 707-373C | | | 727-173C | | 747-273C | | | |
| 74 | Iraqi Airways | Not used | Not used | Not used | Not used | Not used | Not used | Not used | Not used | Not used |
| 74 | Libyan Arab | Not used | Not used | Not used | Not used | Not used | Not used | Not used | Not used | Not used |
| 75 | Pacific Western → Canadian Airlines | | | | | 737-275 737-275C 737-375 | 747-475 | | 767-275 767-375 767-375(ER) | |
| 76 | Trans Australia Airlines → Australian Airlines | | | | 727-76 727-276 | 737-376 737-476 | | | | |
| 77 | Ansett Australia | | | | 727-77 727-77C 727-277 | 737-277 737-377 | | | 767-277 | |
| 78 | British West Indian Airways | | | | 727-78 | | | | | |
| 79 | Saturn Airways | 707-379C | | | | | | | | |
| 80 | Bankers Trust | | | | 727-180C | | | | | |
| 81 | Línea Aeropostal Venezolana | Not used | Not used | Not used | Not used | Not used | Not used | Not used | Not used | Not used |
| 81 | All Nippon Airways | | | | 727-81 727-281 | 737-281 737-781 737-881 | 747SR-81 747-281B 747-281F 747-481 747-481D 747-481F | | 767-281 767-381 767-381F | 777-281 777-381 777-381ER |
| 82 | TAP Air Portugal | 707-382B | | | 727-82 727-82C 727-282 | 737-282 737-282C 737-382 | 747-282B | | | |
| 83 | Scandinavian Airlines | | | | | 737-683 737-783 737-883 | 747-283B | | 767-283 767-383 767-383(ER) | |
| 84 | Olympic Airways → Olympic Airlines → Olympic Air | 707-384B 707-384C | | | 727-284 | 737-284 737-484 | 747-284B | | 767-284 | |
| 85 | American Flyers | 707-385C | | | 727-185 727-185C | | | | | |
| 86 | Iran Air | 707-386C | | | 727-86 727-286 | 737-286 737-286C | 747-186B 747SP-86 747-286B 747-286BC | | | |
| 87 | Aerolíneas Argentinas | 707-387B 707-387C | | | 727-287 | 737-287 737-287C | 747-287B | | | |
| 88 | Middle East Airlines | | | | | | | | | |
| 88 | Aerotechnik Deutsche Charter | | | | | | | | | |
| 89 | Japan Domestic Airlines → Toa Domestic Airlines → Japan Air System | | | | 727-89 | | | | | 777-289 |
| 90 | Alaska Airlines | | | | 727-90C 727-290 | 737-290C 737-490 737-790 737-890 737-990 737-990ER | | | | |
| 91 | Frontier Airlines | | | | 727-191 727-291 | 737-291 | | | | |
| 92 | Southern Air Transport | | | | 727-92C | | | | | |
| 93 | Pacific Air Lines | | | | 727-193 | 737-293 | | | | |
| 94 | Syrian Arab Airlines | | | | 727-294 | | 747SP-94 | | | |
| 95 | Northeast Airlines | | | | 727-95 727-295 | | | | | |
| 96 | Quebecair → Nordair | 707-396C | | | | 737-296 | | | | |
| 97 | Aloha Airlines | | | | | 737-297 737-497 | | | | |
| 98 | Capital Airlines | Not used | Not used | Not used | Not used | Not used | Not used | Not used | Not used | Not used |
| 98 | Air Zaïre | | | | | 737-298C | | | | |
| 99 | Avensa | Not used | Not used | Not used | Not used | Not used | Not used | Not used | Not used | Not used |
| 99 | Caledonian Airways → British Caledonian | 707-399C | | | | | | | | |

### Second sequence

| Code | Customer | Aircraft | Aircraft | Aircraft | Aircraft | Aircraft | Aircraft | Aircraft |
| Code | Customer | 707 | 727 | 737 | 747 | 757 | 767 | 777 |
| 00 | Boeing | 707-700 | 727-200 | | | 757-200 | 767-200 | |
| 01 | Piedmont Airlines | | | 737-201 737-301 737-401 | | | 767-201 767-201(ER) | |
| 02 | Northern Consolidated Airlines | | | 737-202C | | | | |
| 03 | Caribair (Caribbean Atlantic Airlines) | Not used | Not used | Not used | Not used | Not used | Not used | Not used |
| 04 | Panair do Brasil | Not used | Not used | Not used | Not used | Not used | Not used | Not used |
| 04 | Britannia Airways → Thomson Airways | | | 737-204 737-204C 737-804 | | 757-204 | 767-204 767-304 | |
| 05 | Braathens SAFE → Braathens → SAS Braathens → SAS Norge | | | 737-205 737-205C 737-405 737-505 737-705 | | | 767-205 | |
| 06 | KLM | | | 737-306 737-406 | 747-206B 747-306 747-406 747-406F | | 767-306 | 777-206 777-306ER |
| 07 | West German Air Force | 707-307C | | | | | | |
| 08 | Icelandair | | 727-108C 727-208 | 737-408 737-808 | | 757-208 757-308 | | |
| 09 | China Airlines | 707-309C | 727-109 727-109C | 737-209 737-809 | 747SP-09 747-209B 747-209BC 747-209F 747-409 747-409F | | 767-209 | 777-309ER |
| 10 | Wien Consolidated → Wien Air Alaska | | | 737-210 737-210C | | | | |
| 11 | Wardair | 707-311C | 727-11 | | 747-211B | | | |
| 12 | Malaysia-Singapore Airlines → Singapore Airlines | 707-312B | 727-212 | 737-112 737-212 | 747-212B 747-212F 747-312 747-412 747-412F | 757-212 | 767-212 767-312 | 777-212 777-312ER |
| 13 | Ariana Afghan Airlines | | 727-113C | | | | | |
| 14 | Pacific Southwest Airlines | | 727-14 727-114 727-214 | 737-214 | | | | |
| 15 | Lake Central Airlines | Not used | Not used | Not used | Not used | Not used | Not used | Not used |
| 16 | LAN Chile → LAN Airlines (LATAM Chile) | | 727-116 727-116C | | | | 767-216 767-216(ER) 767-316 767-316F | 777-F16 |
| 17 | Canadian Pacific Air Lines → CP Air | | 727-17 727-217 | 737-217 737-317 | 747-217B | | | |
| 18 | British European Airways | Not used | Not used | Not used | Not used | Not used | Not used | Not used |
| 19 | New Zealand National Airways Corporation → Air New Zealand | | | 737-219 737-219C 737-319 | 747-219B 747-419 | | 767-219 767-219(ER) 767-319 | 777-219 777-319ER |

### Third sequence

| Code | Customer | Aircraft | Aircraft | Aircraft | Aircraft | Aircraft | Aircraft | Aircraft | Aircraft |
| Code | Customer | 707 | 717 | 727 | 737 | 747 | 757 | 767 | 777 |
| A0 | LAB Airlines | | | 727-1A0 | | | | | |
| A1 | VASP | | | 727-2A1 | 737-2A1 737-2A1C 737-3A1 | | | | |
| A2 | Modern Air | | | | | | | | |
| A3 | Pluna | | | | 737-2A3 | | | | |
| A4 | AirCal | | | | 737-2A4 737-3A4 | | | | |
| A6 | Essex International / LTV Capital | | | | 737-2A6 | | | | |
| A7 | Trans Caribbean Airways | | | 727-1A7C 727-2A7 | | | | | |
| A8 | Indian Airlines | | | | 737-2A8 737-2A8C | | | | |
| A9 | Transair | | | | 737-2A9 737-2A9C | | | | |
| B0 | China Cargo Airlines | | | | | | | | |
| B1 | DETA Mozambique / Linhas Aéreas de Moçambique | | | | 737-2B1 737-2B1C | | | 767-2B1 | |
| B2 | Air Madagascar | | | | 737-2B2 | 747-2B2B 747-2B2BC | | | |
| B3 | Union des Transports Aériens (UTA) | | | | 737-3B3 737-4B3 | 747-2B3B 747-2B3BC 747-2B3BF 747-2B3F 747-3B3 747-4B3 | | | |
| B4 | Middle East Airlines (MEA) | 707-3B4C | | | | 747-2B4B 747-2B4(BC) | | | |
| B5 | Korean Air | 707-3B5C | | | 737-7B5 737-8B5 737-9B5 737-9B5ER | 747SP-B5 747-2B5B 747-2B5BF 747-2B5F 747-3B5 747-4B5 747-4B5F 747-8B5 747-8B5F | | | 777-2B5 777-3B5 777-3B5ER 777-FB5 |
| B6 | Royal Air Maroc | | | 727-2B6 | 737-2B6 737-2B6C 737-4B6 737-5B6 737-7B6 737-8B6 | 747-2B6B 747-2B6BC | 757-2B6 | | |
| B7 | Allegheny Airlines → US Air → US Airways | | | 727-2B7 | 737-2B7 737-3B7 737-4B7 | | 757-2B7 | 767-2B7 | |
| B8 | Austrian Airlines | | | | | | | | 777 |
| C0 | GATX / Boothe | | | | 737-2C0 | | | | |
| C3 | Cruzeiro do Sul | | | 727-C3 727-1C3 | 737-2C3 | | | | |
| C9 | Luxair | | | | 737-2C9 737-4C9 737-5C9 737-7C9 737-8C9 | | | | |
| D1 | Universal Airlines | | | | | 747-1D1 | | | |
| D3 | Royal Jordanian | 707-3D3C | | 727-2D3 | | 747-2D3B 747-2D3BC | | | |
| D4 | Ozark Airlines | | | 727-2D4 | | | | | |
| D6 | Air Algérie | | | 727-2D6 | 737-2D6 737-2D6C 737-6D6 737-7D6C 737-8D6 | | | 767-3D6 | |
| D7 | Thai Airways | | | | 737-4D7 | 747-2D7B 747-3D7 747-4D7 | | | 777-2D7 777-3D7 777-3D7ER |
| E0 | Dubai Royal Air Wing | | | | 737-7E0 737-8E0 | | | | |
| E1 | Eastern Provincial Airways | | | | 737-2E1 | | | | |
| E3 | Ladeco | | | | 737-2E3 | | | | |
| E4 | | | | | 737-8E4 | | | | |
| E7 | Arkia | | | | 737-2E7 | | 757-3E7 | | |
| E9 | Biman Bangladesh Airlines | | | | 737-8E9 | | | | 777-3E9ER |
| F1 | Air New Zealand | Not used | Not used | Not used | Not used | Not used | Not used | Not used | Not used |
| F2 | Turkish Airlines | | | 727-2F2 | 737-8F2 737-9F2ER | | | | 777-3F2ER |
| F3 | Government of Argentina | 707-3F3B | | | | | | | |
| F4 | | | | | | 747-2F4B | | | |
| F5 | Government of Portugal / Portuguese Air Force | 707-3F5C | | | | | | | |
| F6 | Philippine Airlines | | | | | 747-2F6B 747-4F6 | | | 777-3F6ER |
| F8 | Royal Nepal Airlines → Nepal Airlines | | | 727-1F8 | | | 757-2F8 757-2F8C 757-2F8CB | | |
| F9 | Nigeria Airways | 707-3F9C | | 727-2F9 | 737-2F9 | | | | |
| G1 | Government of Saudi Arabia | | | | | 747-3G1 | | | |
| G4 | United States Air Force | | | | | 747-2G4B 747-4G4F | 757-2G4 | | |
| G5 | L.T.S → LTU International | | | | | | 757-2G5 | 767-3G5 767-3G5(ER) | |
| G7 | America West Airlines | | | | 737-3G7 | | 757-2G7 | | |
| H0 | Oman Royal Flight | | | | | 747-8H0 | | | |
| H2 | ITT | | | 727-1H2 | | | | | |
| H3 | Tunisair | | | 727-2H3 | 737-2H3 737-2H3C 737-5H3 737-6H3 737-7H3 | | | | |
| H4 | Southwest Airlines | | | | 737-2H4 737-2H4C 737-3H4 737-5H4 737-7H4 737-8H4 | | | | |
| H5 | Mey Air | | | | 737-2H5 | | | | |
| H6 | Malaysia Airlines | | | | 737-2H6 737-2H6C 737-3H6 737-4H6 737-5H6 737-7H6 737-8H6 | 747-3H6 747-4H6 747-4H6F | | | 777-2H6 |
| H7 | Cameroon Airlines | 707-3H7C | | | 737-2H7C | 747-2H7BC | | | |
| H9 | JAT Yugoslav Airlines | | | 727-2H9 | 737-3H9 | | | | |
| J0 | Air Jamaica | | | 727-2J0 | | | | | |
| J1 | Dominicana | | | 727-1J1 727-2J1 | | | | | |
| J4 | Sterling Airways → Cimber Sterling | | | 727-2J4 | | | 757-2J4 | | |
| J6 | Civil Aviation Administration of China → Air China (until 1999) | 707-3J6B 707-3J6C | | | 737-3J6 | 747SP-J6 747-2J6B 747-2J6BC 747-2J6F 747-4J6 | | 767-2J6 767-3J6 | 777-2J6 |
| J7 | National Aircraft Leasing | | | 727-2J7 | | | | | |
| J8 | Sudan Airways | 707-3J8C | | | 737-2J8 737-2J8C | | | | |
| J9 | Imperial Iranian Air Force | 707-3J9C | | | | 747-2J9F | | | |
| K1 | TAROM / Government of Romania | 707-3K1C | | | | | | | |
| K2 | Transavia (KLM) | | | | 737-2K2 737-2K2C 737-3K2 737-7K2 737-8K2 737-9K2 | | 757-2K2 | | |
| K3 | Aviogenex | | | 727-2K3 | 737-2K3 | | | | |
| K5 | Hapag-Lloyd TUI Airlines | | | 727-2K5 | 737-2K5 737-4K5 737-5K5 737-7K5 737-8K5 | | | | |
| K6 | Sahsa | | | | 737-2K6 | | | | |
| K9 | Bavaria Flug | | 717-2K9 | | 737-2K9 737-3K9 737-7K9 737-8K9 | | | | |
| L4 | American Capital Aviation | | | 727-2L4 | 737-2L4 | | | | |
| L5 | Libyan Arab Airlines | 707-3L5C | | 727-2L5 | | 747-2L5B | | | |
| L6 | Aviation Services & Support | 707-3L6B 707-3L6C | | | | | | | |
| L7 | Air Nauru | | | | 737-2L7 737-2L7C 737-4L7 | | | | |
| L8 | Government of Yugoslavia | | | 727-2L8 | | | | | |
| L9 | Maersk Air | | | | 737-2L9 737-3L9 737-5L9 737-7L9 | | | | |
| M0 | Aeroflot | | | | 737-4M0 | | | | 777-3M0ER |
| M1 | Pertamina Oil Pelita Air Service | 707-3M1C | | 727-2M1 | | | | | |
| M2 | TAAG Angola Airlines | | | | 737-2M2 737-2M2C 737-7M2 | | | | 777-2M2 777-3M2ER |
| M6 | Royal Brunei Airlines | | | | 737-2M6 737-2M6C | | 757-2M6 | | |
| M7 | Hughes Air West | | | 727-2M7 | | | | | |
| M8 | Trans European Airways | | | | 737-2M8 737-3M8 | | | | |
| M9 | Zambia Airways | | | | 737-2M9 | | | | |
| N0 | Air Zimbabwe | | | | 737-2N0 | | | 767-2N0 | |
| N1 | Government of Venezuela | | | | 737-2N1 | | | | |
| N3 | Brazilian Air Force | | | | 737-2N3 | | | | |
| N6 | Government of Nigeria | | | 727-2N6 | 737-7N6 | | | | |
| N7 | Government of Egypt | | | | 737-2N7 | | | | |
| N8 | Yemenair Yemen Airways | | | 727-2N8 | 737-2N8 | | | | |
| N9 | Government of Niger / Air Niger | | | | 737-2N9C | | | | |
| P1 | State of Qatar | 707-3P1C | | 727-2P1 | | | | | |
| P3 | Al Waleed bin Talal Al Saud | | | | 737-7P3 | | | | |
| P5 | Thai Airways | | | | 737-2P5 | | | | |
| P6 | Gulf Air | | | | 737-2P6 | | | 767-3P6 767-3P6(E) | |
| P8 | Bahrain Amiri Flight | | | | | 747-4P8 | | | |
| Q2 | Air Gabon | | | | 737-2Q2C | 747-2Q2B 747-2Q2BC | | | |
| Q3 | Southwest Air Lines Japan, → Japan Transocean Air | | | 727-2Q3 | 737-2Q3 737-4Q3 737-8Q3 | 747-4Q3 | | | |
| Q4 | Transbrasil | | | 727-2Q4 | 737-3Q4 | | | 767-2Q4 | |
| Q5 | Air Liberia | | | | 737-2Q5C | | | | |
| Q6 | Lacsa | | | 727-2Q6 | | | | | |
| Q8 | International Lease Finance Corporation | | | 727-2Q8 | 737-2Q8 737-2Q8C 737-3Q8 737-4Q8 737-5Q8 737-6Q8 737-7Q8 737-8Q8 | 747-4Q8 | 757-2Q8 | 767-2Q8 767-3Q8 | 777-2Q8 777-3Q8ER |
| Q9 | Itel Corp. | | | 727-2Q9 | 737-2Q9 | | | | |
| R1 | Government of Cameroon | | | 727-2R1 | | | | | |
| R4 | Alyemda | | | | 737-2R4C | | | | |
| R6 | Air Guinee | | | | 737-2R6C | | | | |
| R7 | Cargolux | | | | | 747-2R7F 747-8R7F | | | |
| R8 | Air Tanzania | | | | 737-2R8C | | | | |
| S1 | TACA International Airlines | | | | 737-3S1 | | | 767-2S1 767-3S1 | |
| S2 | FedEx Express | | | 727-2S2F | 737-2S2C | | | 767-3S2F | 777-FS2 |
| S3 | Air Europe /Sunrock Aircraft | | | | 737-2S3 737-3S3 737-4S3 737-8S3 | | | | |
| S4 | Air Afrique | | | | | 747-2S4F | | | |
| S5 | Eldorado Aviation | | | | 737-2S5C | | | | |
| S7 | North Central Airlines / Republic Airlines | | | 727-2S7 | | | 757-2S7 | | |
| S9 | Maritime Investments | | | | 737-2S9 | | | | |
| T0 | Texas Air Corp / Continental Airlines | | | | 737-3T0 | | | | |
| T2 | Dome Petroleum | | | | 737-2T2 737-2T2C | | | | |
| T3 | Evergreen | | | 727-2T3 | | | | | |
| T4 | Air Florida | | | | 737-2T4 737-2T4C | | | | |
| T5 | Orion Airways | | | | 737-2T5 737-3T5 | | | | |
| T7 | Monarch Airlines | | | | 737-2T7 | | 757-2T7 | 767-3T7 | |
| T8 | Boeing Polaris Leasing | | | | | | | 767-3T8 | |
| T9 | Boeing | | | | | | | 767-3T9(ER) | |
| U3 | Garuda Indonesia, Government of Indonesia | | | | 737-3U3 737-4U3 737-5U3 737-8U3 | 747-2U3B 747-4U3 | | | 777-3U3ER |
| U4 | OSL Villa Holidays | | | | 737-2U4 | | | | |
| U5 | Government of Jordan | | | 727-2U5 | | | | | |
| U8 | Kenya Airways | | | | 737-3U8 737-7U8 | | | | 777-2U8 777-3U8ER |
| U9 | Polynesian Airlines | | | | 737-2U9 | | | | |
| V2 | TAME | | | | 737-2V2 | | | | |
| V3 | Copa Airlines | | | | 737-7V3 737-8V3 | | | | |
| V5 | Bahamasair | | | | 737-2V5 | | | | |
| V6 | Petrolair Systems | | | | 737-2V6 | | | | |
| V8 | Air Executive / Busy Bee | | | | | | | | |
| W0 | China Yunnan Airlines | | | | 737-3W0 737-7W0 | | | 767-3W0 | |
| W2 | Aerotour | | | | | | | | |
| W6 | Government of Morocco | 707-3W6C | | | | | | | |
| W8 | NOGA Import | | | | 737-2W8 | | | | |
| X2 | Air Pacific (became Fiji Airways) | | | | 737-2X2 737-7X2 737-8X2 | | | 767-3X2 | |
| X3 | Air Charter International | | | 727-2X3 | | | | | |
| X4 | Supair | | | | | | | | |
| X6 | MarkAir | | | | 737-2X6C | | | | |
| X8 | Wedge Aviation / Wistair Corp | | | 727-2X8 | | | | | |
| X9 | Indonesian Air Force | | | 727-2X9 | 737-2X9 | | | | |
| Y0 | Guinness Peat Aviation | | | | 737-3Y0 737-4Y0 737-5Y0 | | 757-2Y0 | 767-3Y0 | |
| Y4 | Rafik Hariri | | | 727-2Y4 | | | | | |
| Y5 | Air Malta | | | | 737-2Y5 737-3Y5 | | | | |
| Y9 | Air Malawi | | | | 737-3Y9 | | | | |
| Z0 | China Southwest Airlines | | | | 737-3Z0 737-8Z0 | | 757-2Z0 | | |
| Z5 | Government of Abu Dhabi United Arab Emirates Royal Flight | | | | 737-7Z5 | 747SP-Z5 747-8Z5 | | | |
| Z6 | Royal Thai Air Force | | | | 737-2Z6 737-3Z6 737-4Z6 737-8Z6 | | | | |
| Z8 | South Korean Air Force | | | | 737-3Z8 | | | | |
| Z9 | Lauda Air | | | | 737-3Z9 737-4Z9 737-6Z9 737-7Z9 737-8Z9 | | | 767-3Z9 767-3Z9(ER) | 777-2Z9 |

### Fourth sequence

| Code | Customer | Aircraft | Aircraft | Aircraft | Aircraft | Aircraft | Aircraft |
| Code | Customer | 717 | 737 | 747 | 757 | 767 | 777 |
| 0B | China Cargo Airlines | | | 747-40BF | | | |
| 1A | Martinair | | | 747-21AC | | 767-31A | |
| 1B | China Southern Airlines | | 737-31B 737-71B 737-81B | 747-41BF | 757-21B | 767-31B | 777-21B 777-31BER 777-F1B |
| 1C | Government of Romania | | | | | | |
| 1D | AWAS | | 737-81D | | | | |
| 1E | Escalera Executive Air Services Inc. | | | | | | |
| 1H | Emirates | | | | | | 777-21H 777-21HLR 777-31H 777-31HER 777-F1H |
| 1K | Airtours International Airways | | | | 757-21K | 767-31K | |
| 1L | China Xinjiang Airlines | | 737-31L | | | | |
| 1M | Oman Air | | 737-71M 737-81M 737-91MER | | | | |
| 1Q | Tombo Aviation | | 737-71Q 737-81Q | | | | |
| 1R | Virgin Atlantic | | | 747-41R | | | |
| 1S | Deutsche BA → DBA | 717-21S | 737-31S | | | | |
| 1U | | | | | | | |
| 1Z | Iraqi Airways | | 737-81Z | | | | |
| 2A | Hawaiian Airlines | 717-22A | | | | | |
| 2C | Air UK Leisure | | 737-42C | | | | |
| 2J | Arab Leasing | | 737-42J | | | | |
| 2K | Turkmenistan Airlines / Akhal | 717-22K | 737-72K 737-82K | | 757-22K | 767-32K | 777-22KLR |
| 2L | Azerbaijan Airlines | | | | 757-22L | 767-32L 767-32LF | |
| 2P | Government of United Arab Emirates | | | | | | |
| 2Q | Ukraine International Airlines | | 737-32Q | | | | |
| 2R | Pegasus Airlines | | 737-42R 737-82R | | | | |
| 2T | Nakajima Aerial Tours Ltd. | | 737-72T | | | | |
| 2U | JABJ / Picton II Ltd. | | 737-72U | | | | |
| 2W | TAM Brazilian Airlines (LATAM Brasil) | | | | | | 777-32WER |
| 2Y | Mitsubishi Commercial Aviation Partners | | 737-82Y | | | | |
| 2Z | | | 737-82Z | | | | |
| 3A | AWAS | | 737 737-33A 737-53A 737-73A | | 757-23A 757-23APF | 767-33A | |
| 3B | Air Mauritius | | | | | 767-23B 767-23B(ER) | |
| 3C | Euralair International | | 737-53C | | | | |
| 3N | American Trans Air / ATA Airlines | | 737-83N | | 757-23N 757-33N | | |
| 3P | Uzbekistan Airways | | | | 757-23P | 767-33P | |
| 3Q | BCC Equipment Leasing | | 737-43Q 737-73Q | 747-83QF | | | |
| 3R | Western Pacific Airlines | | 737-33R | | | | |
| 3S | Pembroke Capital | 717-23S | 737-33S 737-53S 737-73S | | | | |
| 3T | FirstFlight Air Charters Ltd. | | 737-73T | | | | |
| 3U | Chartwell Aircraft Company / Chartwell Partners | | 737-73U | | | | |
| 3V | EasyJet | | 737-33V 737-73V | | | | |
| 3W | | | 737-73W | | | | |
| 3Y | Somon Air | | 737-93YER | | | | |
| 3Z | Donghai Airlines | | 737-83Z | | | | |
| 4A | United Parcel Service | | | 747-44AF | 757-24APF | 767-34AF | |
| 4G | MIAT Mongolian | | | | | 767-34G | |
| 4K | Air Nippon | | 737-54K | | | | |
| 4N | North China Administration / China United Airlines | | 737-34N | | | | |
| 4P | Hainan Airlines | | 737-44P 737-74P 737-84P | | | 767-34P | |
| 4Q | Mid East Jet | | 737-74Q | | 757-24Q | 767-24Q | 777-24Q |
| 4R | AeroSvit Airlines | | 737-84R | | | | |
| 4S | GB Airways | | 737-34S | | | | |
| 4T | North Pacific Aviation | | 737-74T | | | | |
| 4U | Air Shamrock | | 737-74U | | | | |
| 4V | Superior International Aviation Services | | 737-74V | | | | |
| 4X | Sky Airlines | | 737-94XER | | | | |
| 4Y | RwandAir | | 737-84Y | | | | |
| 5A | Midway Airlines / Presidential Airways | | 737-25A | | | | |
| 5B | Germania | | 737-35B 737-75B | | | | |
| 5C | Xiamen Airlines | | 737-25C 737-75C 737-85C | | 757-25C | | |
| 5D | LOT Polish Airlines | | 737-45D 737-55D | | | 767-25D 767-35D | |
| 5E | EVA Airways | | | 747-45E 747-45EF | | 767-25E 767-35E | 777-35EER |
| 5F | GATX Capital Corporation | | 737-85F | | 757-25F | | |
| 5G | MGM Mirage | | 737-75G | | | | |
| 5H | Itochu Air Lease Corporation | | 737-85H | | | 767-35H | |
| 5M | Transaero | | | 747-85M | | | |
| 5N | Shandong Airlines | | 737-35N 737-75N 737-85N | | | | |
| 5P | Air Europa | | 737-85P | | | | |
| 5R | Jet Airways | | 737-45R 737-75R 737-85R 737-95R | | | | 777-35RER |
| 5S | Czech Airlines | | 737-45S 737-55S | | | | |
| 5T | First Union Commercial Corporation | | 737-75T | | | | |
| 5U | Digong Duterte Private Aviation Inc. | | 737-75U | | | | |
| 5V | General Electric Corporation | | 737-75V | | | | |
| 6B | Cal Air / Novair International Airways | | 737-46B | | | | |
| 6D | Shanghai Airlines | | 737-76D 737-86D | | 757-26D | 767-36D | |
| 6E | Viva Air | | 737-36E | | | | |
| 6J | Air Berlin | | 737-46J 737-76J 737-86J | | | | |
| 6K | Vietnam Airlines | | | | | | 777-26K |
| 6M | Eurobelgium Airlines → Virgin Express | | 737-36M 737-46M | | | | |
| 6N | GECAS | | 737-36N 737-46N 737-56N 737-66N 737-76N 737-86N 737-96NER | 747-46NF | | 767-36N | 777-36NER 777-F6N |
| 6Q | Boullion Aircraft Holding | | 737-36Q 737-46Q 737-76Q 737-86Q | | | | |
| 6R | Wuhan Airlines | 717-26R | 737-36R 737-86R | | | | |
| 6X | 9 Air | | 737-86X | | | | |
| 6W | Urumqi Airlines | | | | | | |
| 7A | Far Eastern Air Transport | | 737-27A | | 757-27A | | |
| 7B | Air Holland | | | | 757-27B | | |
| 7C | Japan Air Self-Defense Force | | | 747-47C | | 767-27C | |
| 7D | Air Seychelles | | | | | 767-37D | |
| 7E | Aeromaritime International | | | | | 767-27E 767-37E | |
| 7G | Malev | | | | | 767-27G | |
| 7K | Zhongyuan Airlines | | 737-37K | | | | |
| 7L | Shenzhen Airlines | | 737-77L 737-87L 737-97L | | | | |
| 7Q | Novel Leasing Company | | 737-37Q | | | | |
| 7U | Atlas Air | | | 747-47UF 747-87UF | | | |
| 7W | Royal Jet First | | 737-77W | | | | |
| 7Y | | | 737-97YER | | | | |
| 7Z | | | 737-77Z | | | | |
| 8A | Air 2000 | | | | 757-28A | 767-38A | |
| 8B | Istanbul Airlines | | 737-38B | | | | |
| 8E | Asiana Airlines | | 737-48E 737-58E | 747-48E 747-48EF | | 767-38E 767-38EF | 777-28E |
| 8J | TAROM | | 737-38J 737-78J | | | | |
| 8L | Nok Air | | 737-88L | | | | |
| 8N | Chilean Air Force | | 737-58N | | | | |
| 8S | China Xinjiang Airlines | | 737-78S | | 757-28S | | |
| 9A | ARAVCO | | 737-39A | | | | |
| 9B | Government of Brunei | | | | | | |
| 9D | Linjeflyg | | 737-59D | | | | |
| 9H | Leisure International Airways | | | | | 767-39H | |
| 9J | Shorouk Air | | | | 757-29J | | |
| 9K | Shenzhen Airlines | | 737-39K 737-79K | | | | |
| 9L | Air China (from 1999) | | 737-79L 737-89L | 747-89L | | | 777-39LER |
| 9M | Air Austral | | 737-39M 737-89M | | | | 777-29MLR 777-39MER |
| 9N | Mid East Jet | | | | | | |
| 9P | China Eastern Airlines | | 737-39P 737-79P 737-89P | | | | 777-39PER |
| 9R | Pro Air | | 737-49R | | | | |
| 9T | BBM Aviation Inc. | | 737-79T | | | | |
| 9U | Cokaliong Lines | | 737-79U | | | | |
| 9V | | | 737-79V | | | | |

### Fifth and final sequence

| Code | Customer | Aircraft | Aircraft | Aircraft | Aircraft | Aircraft | Aircraft |
| Code | Customer | 717 | 737 | 747 | 757 | 767 | 777 |
| AA | Alan Abrina Aircraft Leasing Corp. | | | | | | |
| AB | AB Airlines | | | | | | |
| AD | Eastwind Airlines | | 737-7AD | | | | |
| AF | United States Navy / Marines | | 737-7AF | | | | |
| AH | General Electric Credit Corporation | | 737-7AH | | | | |
| AJ | Saudi Ministry of Finance and Economy | | 737-7AJ 737-8AJ | | | | |
| AK | PrivatAir | | 737-7AK | | | | |
| AL | Singapore Aircraft Leasing Enterprise → BOC Aviation | | 737-8AL | | | | 777-3ALER |
| AN | Saudi Oger | | 737-7AN 737-8AN | | | | 777-2AN |
| AR | Republic of China Air Force | | 737-8AR | | | | |
| AS | Ryanair | | 737-8AS | | | | |
| AU | Aircraft Guaranty Title Corp. | | 737-7AU | | | | |
| AV | Newsflight II Inc. | | 737-7AV | | | | |
| AW | A.S. Bugsham & Bros. | | 737-7AW 737-8AW | | | | |
| AX | Saudi ARAMCO | | 737-7AX | | | 767-2AX | |
| AZ | AstraZeneca Aviation | | | | | | |
| BC | Boeing NetJets | | 737-7BC | | | | |
| BD | AirTran Airways | 717-2BD | 737-7BD | | | | |
| BF | Funair Corp. | | 737-7BF | | | | |
| BG | Flightlease AG → GATX Jet Partners | | 737-8BG | | | 767-3BG | |
| BH | TBN Aircraft Corporation | | 737-7BH | | | | |
| BJ | Atlas Air | | 737-7BJ | | | | |
| BK | CIT Leasing Corp. | | 737-7BK 737-8BK | | | | |
| BL | Midwest Airlines | 717-2BL | | | | | |
| BQ | GECAS | | 737-7BQ 737-9BQER | | | | |
| BS | North American Airlines | | | | | | |
| BT | Lufthansa Cargo | | | | | | 777-FBT |
| BX | Midway Airlines | | 737-7BX | | | | |
| CB | BCC Equipment Leasing Corporation | | | | | 767-3CB | |
| CG | GKW Aviation | | 737-7CG | | | | |
| CJ | BBJ One | | 737-7CJ | | | | |
| CM | Aerolíneas de Baleares Aebal | 717-2CM | | | | | |
| CN | Matela Offshore | | 737-7CN | | | | |
| CP | Ford | | 737-7CP | | | | |
| CQ | JMC Airlines | | | | 757-3CQ | | |
| CT | WestJet | | 737-6CT 737-7CT 737-8CT | | | | |
| CU | Tutor-Saliba Corp | | 737-7CU | | | | |
| CX | GATX - Flightlease | | 737-8CX | | | | |
| DC | Miami Air International | | 737-8DC | | | | |
| DE | Swiss International Air Lines | | | | | | 777-3DEER |
| DF | Royal Australian Air Force | | 737-7DF | | | | |
| DM | United States Air Force | | 737-7DM | | | | |
| DO | Matugas Air Tours | | | | | | |
| DP | Royal Saudi Air Force | | 737-7DP 737-8DP | | | | |
| DR | Multiflight | | 737-8DR | | | | |
| DT | Qantas Defence Services / Royal Australian Air Force | | 737-7DT | | | | |
| DV | Lowa Ltd | | 737-8DV | | | | |
| DW | Bausch & Lomb | | 737-7DW | | | | |
| DX | Kazakhstan Airlines | | | | | 767-2DX | |
| DZ | Qatar Airways | | | | | | 777-2DZLR 777-3DZER 777-FDZ |
| EA | Azteca Airlines | | 737-7EA | | | | |
| EC | Dubai Air Wing | | 737-8EC | | | | |
| ED | South African Air Force | | 737-7ED | | | | |
| EE | Air Senegal International | | 737-7EE | | | | |
| EF | Mid East Jet | | 737-8EF | | | | |
| EG | Samsung Aerospace | | 737-7EG | | | | |
| EH | Gol Transportes Aéreos | | 737-7EH 737-8EH | | | | |
| EI | | | 737-7EI | | | | |
| EJ | Grupo Omnilife S.A. de C.V. | | 737-7EJ | | | | |
| EL | Swiflite Aircraft Corporation | | 737-7EL | | | | |
| EM | LUK Aviation | | 737-7EM | | | | |
| EO | | | 737-7EO | | | | |
| EQ | EIE Eagle Incorporated | | 737-8EQ | | | | |
| ES | Royal Australian Air Force | | 737-7ES | | | | |
| ET | EnigmaFly Corp. | | 737-7ET | | | | |
| EV | Jade Cargo International | | 737-8EV | 747-4EVF | | | |
| EX | Amiri Flight Line | | 737-8EX | | | | |
| EY | Italian Air Force | | | | | 767-2EY | |
| EZ | Air Hong Kong | | | | | | 777-FEZ |
| FB | Government of Equatorial Guinea/CEIBA International | | 737-7FB 737-8FB | | | | 777-2FBLR |
| FD | Lee Business Aviation Ltd. | | 737-7FD | | | | |
| FE | Virgin Blue → Virgin Australia | | 737-7FE 737-8FE | | | | |
| FG | Saudi Arabia Ministry of Finance and Economy, Saudi Cargo | | 737-7FG 737-9FGER | | | | 777-3FGER 777-FFG |
| FH | SMBC Aviation Capital | | 737-8FH | | | | |
| FK | Japan Air Self-Defense Force | | | | | 767-2FK | |
| FN | Travel Service | | 737-8FN | | | | |
| FS | Turkish Air Force | | 737-7FS | | | 767-4FSER | |
| FT | Air China Cargo | | | 747-4FTF | | | 777-FFT |
| FV | United States Navy | | 737-8FV | | | | |
| FX | Etihad Airways | | | | | | 777-3FXER 777-FFX |
| FY | CIT Group/Equipment Financing | | 737-7FY | | | | |
| FZ | Babcock & Brown Aircraft Management | | 737-8FZ | | | | |
| GB | United States Navy | | | | | | |
| GC | Vizavi | | 737-7GC | | | | |
| GE | | | 737-7GE | | | | |
| GG | GoodGame Air Tours & Services | | 737-8GG | | | | |
| GJ | SpiceJet | | 737-7GJ 737-8GJ 737-9GJER | | | | |
| GK | Buraq Air | | 737-8GK | | | | |
| GL | SkyEurope | | 737-7GL | | | | |
| GP | Lion Air, Malindo Air, Thai Lion Air, Batik Air | | 737-8GP 737-9GPER | | | | |
| GQ | Pegasus Aviation Finance | | 737-8GQ | | | | |
| GR | Turkmenistan Airlines | | | | | | |
| GS | Sunwing Airlines | | 737-8GS | | | | |
| GU | Atlant Soyuz → Moscow Airlines | | 737-8GU | | | | |
| GV | Gulfview Aircraft Leasing | | 737-7GV | | | | |
| HA | Guggenheim Aviation Partners | | | 747-4HAF | | | |
| HB | SonAir | | 737-7HB 737-7HBC | | | | |
| HC | SunExpress | | 737-8HC | | | | |
| HD | Dennis Vanguard International | | 737-7HD | | | | |
| HE | Andrey Melnichenko | | 737-7HE | | | | |
| HF | Luxury Ocean Ltd | | 737-7HF | | | | |
| HG | Air India Express | | 737-8HG | | | | |
| HI | Indian Air Force | | 737-7HI | | | | |
| HJ | Peregrine Point | | 737-7HJ | | | | |
| HO | ALAFCO | | 737-8HO | | | | |
| HQ | LoadAir Cargo | | | 747-4HQF | | | |
| HT | Guggenheim Investment Fund | | | 747-8HTF | | | 777-FHT |
| HV | Volga-Dnepr Airlines | | | 747-8HVF | | | |
| HW | Middle East Jet | | 737-9HWER | | | | |
| HX | Aviation Capital Group | | 737-8HX | | | | |
| HZ | Itera Holdings | | 737-7HZ | | | | |
| JA | National Air Services | | 737-9JAER | 747-8JA | | | |
| JB | Justin Bieber Aviation | | 737-7JB | | | | |
| JE | Arik Air | | 737-8JE | | | | |
| JF | Aircraft Guaranty Corporation | | 737-7JF | | | | |
| JH | DHL Aviation | | | | | 767-3JHF | |
| JK | Government of Kuwait | | | 747-8JK | | | |
| JM | | | 737-8JM | | | | |
| JP | Norwegian Air Shuttle | | 737-8JP | | | | |
| JR | Bank of Utah | | 737-7JR | | | | |
| JU | Felham 3 Limited | | 737-7JU | | | | |
| JV | | | 737-7JV | | | | |
| JW | Wuleen Investment Corp | | 737-7JW | | | | |
| JY | First Virtual Air II LLC | | 737-7JY | | | | |
| JZ | Pfizer-BioNTech Airlift Division | | 737-7JZ | | | | |
| KB | Qatar Amiri Flight | | 737-8KB | 747-8KB | | | |
| KF | Okay Airways | | 737-8KF 737-9KFER | | | | |
| KG | Dubai Aerospace Enterprise | | 737-8KG | | | | |
| KK | Pacific Sky Aviation | | 737-7KK | | | | |
| KN | Flydubai | | 737-8KN | | | | |
| KQ | | | | | | | 777-2KQLR |
| KT | Seven Three Seven Two Aviation | | 737-8KT | | | | |
| KV | Ukraine International Airlines | | 737-8KV 737-9KVER | | | | |
| KY | Air Astana | | | | | 767-3KY | |
| KZ | Nippon Cargo Airlines | | | 747-4KZF 747-8KZF | | | |
| LB | Purple Holdings Management | | 737-9LBER | | | | |
| LC | Jeju Air | | 737-8LC | | | | |
| LD | Kulula.com (Comair) | | 737-8LD | | | | |
| LF | Sriwijaya Air | | 737-9LFER | | | | |
| LJ | Aviation Capital Services (Russian Federation) | | 737-8LJ | | | | |
| LK | United States Air Force | | | | | 767-2LKC | |
| LP | Utair | | 737-8LP 737-9LPER | | | | |
| LQ | | | | 747-8LQ | | | |
| LT | | | 737-7LT | | | | |
| LW | Hebei Airlines | | 737-8LW | | | | |
| LX | | | 737-8LX | | | | |
| LY | China Development Bank Finance | | 737-8LY | | | | |
| LZ | Liezel Air Tours & Services | | 737-8LZ | | | | |
| MA | Junior Philippine Association of Management Accountants | | 737-8MA | | | | |
| MB | ICBC Argentina | | 737-8MB | | | | |
| MC | Sberbank Leasing | | 737-8MC | | | | |
| MD | Aviation Finance and Leasing S.a.r.l. | | | | | | |
| ME | Ruili Airlines | | 737-7ME | | | | |
| MG | Jet2 | | 737-8MG | | | | |
| MJ | Bulgaria Air | | | | | | |
| SA | SilkAir | | 737-8SA | | | | |
| SB | Japan Air Self-Defense Force | | | | | | |
| SH | Air Lease Corporation | | 737-8SH | | | | 777-3SHER |
| XY | LAM Mozambique Airlines | | | | | | |
| ZB | Southern Air | | | | | | 777-FZB |
| ZE | Eastarjet | | 737-8ZE | | | | |
| ZF | Hansel Prime Limited | | 737-7ZF | | | | |
| ZG | V Australia | | | | | | 777-3ZGER |
| ZH | Nanshan Jet | | 737-7ZH | | | | |
| ZM | Belavia | | 737-8ZM | | | | |
| ZN | AeroLogic | | | | | | 777-FZN |
| ZQ | Tassili Airlines | | 737-8ZQ | | | | |
| ZS | S7 Airlines | | 737-8ZS | | | | |
| ZV | Worldwide Aircraft Holding Company | | | 747-8ZV | | | |
| ZW | Digong Duterte Airways / Jingchen Group | | 737-7ZW | | | | |
| ZX | Hangar 8 AOC Malta/Maleth-Aero | | 737-7ZX | | | | |
| ZY | Mexican Air Force | | | | | | |