# Country codes: T

* A
* B
* C
* D–E
* F
* G
* H–I
* J–K
* L
* M
* N
* O–Q
* R
* S
* T
* U–Z

## Taiwan

| ISO 3166-1 numeric 158 | ISO 3166-1 alpha-3 TWN | ISO 3166-1 alpha-2 TW | ICAO airport code prefix RC |
| E.164 code 886 | IOC country code TPE | Country code top-level domain .tw | ICAO aircraft regis. prefix B- |
| E.212 mobile country code 466 | NATO three-letter code TWN | NATO two-letter code TW | LOC MARC code CH |
| ITU Maritime ID 416 | ITU letter code — | FIPS country code TW | License plate code RC |
| GS1 GTIN prefix 471 | UNDP country code — | WMO country code TW | ITU callsign prefixes — |
| * | Some codes are assigned to Taiwan or Taiwan, Province of China, while some are assigned to the Republic of China. See also Chinese Taipei, political status of Taiwan and China and the United Nations. |

## Tajikistan

| ISO 3166-1 numeric 762 | ISO 3166-1 alpha-3 TJK | ISO 3166-1 alpha-2 TJ | ICAO airport code prefix UT |
| E.164 code 992 | IOC country code TJK | Country code top-level domain .tj | ICAO aircraft regis. prefix EY- |
| E.212 mobile country code 436 | NATO three-letter code TJK | NATO two-letter code TI | LOC MARC code TA |
| ITU Maritime ID — | ITU letter code TJK | FIPS country code TI | License plate code TJ |
| GS1 GTIN prefix 488 | UNDP country code TAJ | WMO country code TZ | ITU callsign prefixes EYA-EYZ |

## Tanzania

| ISO 3166-1 numeric 834 | ISO 3166-1 alpha-3 TZA | ISO 3166-1 alpha-2 TZ | ICAO airport code prefix HT |
| E.164 code 255 | IOC country code TAN | Country code top-level domain .tz | ICAO aircraft regis. prefix 5H- |
| E.212 mobile country code 640 | NATO three-letter code TZA | NATO two-letter code TZ | LOC MARC code TZ |
| ITU Maritime ID 674, 677 | ITU letter code TZA | FIPS country code TZ | License plate code EAT |
| GS1 GTIN prefix 620 | UNDP country code URT | WMO country code TN | ITU callsign prefixes 5HA-5IZ |
* ↑ United Republic of Tanzania

## Thailand

| ISO 3166-1 numeric 764 | ISO 3166-1 alpha-3 THA | ISO 3166-1 alpha-2 TH | ICAO airport code prefix VT |
| E.164 code 66 | IOC country code THA | Country code top-level domain .th | ICAO aircraft regis. prefix HS- |
| E.212 mobile country code 520 | NATO three-letter code THA | NATO two-letter code TH | LOC MARC code TH |
| ITU Maritime ID 567 | ITU letter code THA | FIPS country code TH | License plate code T |
| GS1 GTIN prefix 885 | UNDP country code THA | WMO country code TH | ITU callsign prefixes E2A-E2Z, HSA-HSZ |

## Timor-Leste

| ISO 3166-1 numeric 626 | ISO 3166-1 alpha-3 TLS | ISO 3166-1 alpha-2 TL | ICAO airport code prefix WP |
| E.164 code 670 | IOC country code TLS | Country code top-level domain .tl | ICAO aircraft regis. prefix — |
| E.212 mobile country code 514 | NATO three-letter code TLS | NATO two-letter code TM | LOC MARC code EM |
| ITU Maritime ID — | ITU letter code TLS | FIPS country code TT | License plate code TL (unofficial) |
| GS1 GTIN prefix — | UNDP country code TIM | WMO country code TM | ITU callsign prefixes 4WA-4WZ |

## Togo

| ISO 3166-1 numeric 768 | ISO 3166-1 alpha-3 TGO | ISO 3166-1 alpha-2 TG | ICAO airport code prefix DX |
| E.164 code 228 | IOC country code TOG | Country code top-level domain .tg | ICAO aircraft regis. prefix 5V- |
| E.212 mobile country code 615 | NATO three-letter code TGO | NATO two-letter code TO | LOC MARC code TG |
| ITU Maritime ID 671 | ITU letter code TGO | FIPS country code TO | License plate code TG |
| GS1 GTIN prefix — | UNDP country code TOG | WMO country code TG | ITU callsign prefixes 5VA-5VZ |

## Tokelau (division of New Zealand)

| ISO 3166-1 numeric 772 | ISO 3166-1 alpha-3 TKL | ISO 3166-1 alpha-2 TK | ICAO airport code prefix — |
| E.164 code 690 | IOC country code — | Country code top-level domain .tk | ICAO aircraft regis. prefix ZK- |
| E.212 mobile country code 530 | NATO three-letter code TKL | NATO two-letter code TL | LOC MARC code TL |
| ITU Maritime ID — | ITU letter code TKL | FIPS country code TL | License plate code — |
| GS1 GTIN prefix — | UNDP country code TOK | WMO country code TK | ITU callsign prefixes — |

## Tonga

| ISO 3166-1 numeric 776 | ISO 3166-1 alpha-3 TON | ISO 3166-1 alpha-2 TO | ICAO airport code prefix NFT |
| E.164 code 676 | IOC country code TGA | Country code top-level domain .to | ICAO aircraft regis. prefix A3- |
| E.212 mobile country code 539 | NATO three-letter code TON | NATO two-letter code TN | LOC MARC code TO |
| ITU Maritime ID 570 | ITU letter code TON | FIPS country code TN | License plate code TO (unofficial) |
| GS1 GTIN prefix — | UNDP country code TON | WMO country code TO | ITU callsign prefixes A3A-A3Z |

## Trinidad and Tobago

| ISO 3166-1 numeric 780 | ISO 3166-1 alpha-3 TTO | ISO 3166-1 alpha-2 TT | ICAO airport code prefix TT |
| E.164 code 1 | IOC country code TTO | Country code top-level domain .tt | ICAO aircraft regis. prefix 9Y- |
| E.212 mobile country code 374 | NATO three-letter code TTO | NATO two-letter code TD | LOC MARC code TR |
| ITU Maritime ID 362 | ITU letter code TRD | FIPS country code TD | License plate code TT |
| GS1 GTIN prefix — | UNDP country code TRI | WMO country code TD | ITU callsign prefixes 9YA-9ZZ |

## Tunisia

| ISO 3166-1 numeric 788 | ISO 3166-1 alpha-3 TUN | ISO 3166-1 alpha-2 TN | ICAO airport code prefix DT |
| E.164 code 216 | IOC country code TUN | Country code top-level domain .tn | ICAO aircraft regis. prefix TS- |
| E.212 mobile country code 605 | NATO three-letter code TUN | NATO two-letter code TS | LOC MARC code TI |
| ITU Maritime ID 672 | ITU letter code TUN | FIPS country code TS | License plate code TN |
| GS1 GTIN prefix 619 | UNDP country code TUN | WMO country code TS | ITU callsign prefixes 3VA-3VZ, TSA-TSZ |

## Turkey

| ISO 3166-1 numeric 792 | ISO 3166-1 alpha-3 TUR | ISO 3166-1 alpha-2 TR | ICAO airport code prefix LT |
| E.164 code 90 | IOC country code TUR | Country code top-level domain .tr | ICAO aircraft regis. prefix TC- |
| E.212 mobile country code 286 | NATO three-letter code TUR | NATO two-letter code TU | LOC MARC code TU |
| ITU Maritime ID 271 | ITU letter code TUR | FIPS country code TU | License plate code TR |
| GS1 GTIN prefix 868-869 | UNDP country code TUR | WMO country code TU | ITU callsign prefixes TAA-TCZ, YMA-YMZ |

## Turkmenistan

| ISO 3166-1 numeric 795 | ISO 3166-1 alpha-3 TKM | ISO 3166-1 alpha-2 TM | ICAO airport code prefix UT |
| E.164 code 993 | IOC country code TKM | Country code top-level domain .tm | ICAO aircraft regis. prefix EZ- |
| E.212 mobile country code 438 | NATO three-letter code TKM | NATO two-letter code TX | LOC MARC code TK |
| ITU Maritime ID 434 | ITU letter code TKM | FIPS country code TX | License plate code TM |
| GS1 GTIN prefix 483 | UNDP country code TUK | WMO country code TR | ITU callsign prefixes EZA-EZZ |

## Turks and Caicos Islands

| ISO 3166-1 numeric 796 | ISO 3166-1 alpha-3 TCA | ISO 3166-1 alpha-2 TC | ICAO airport code prefix MB |
| E.164 code 1 | IOC country code — | Country code top-level domain .tc | ICAO aircraft regis. prefix VQ-T- |
| E.212 mobile country code 376 | NATO three-letter code TCA | NATO two-letter code TK | LOC MARC code TC |
| ITU Maritime ID 364 | ITU letter code TCA | FIPS country code TK | License plate code — |
| GS1 GTIN prefix — | UNDP country code TCI | WMO country code TI | ITU callsign prefixes — |

## Tuvalu

| ISO 3166-1 numeric 798 | ISO 3166-1 alpha-3 TUV | ISO 3166-1 alpha-2 TV | ICAO airport code prefix NGF |
| E.164 code 688 | IOC country code TUV | Country code top-level domain .tv | ICAO aircraft regis. prefix T2- |
| E.212 mobile country code 553 | NATO three-letter code TUV | NATO two-letter code TV | LOC MARC code TV |
| ITU Maritime ID 572 | ITU letter code TUV | FIPS country code TV | License plate code TUV (unofficial) |
| GS1 GTIN prefix — | UNDP country code TUV | WMO country code TV | ITU callsign prefixes T2A-T2Z |