# Country codes: O–Q

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

## Oman

| ISO 3166-1 numeric 512 | ISO 3166-1 alpha-3 OMN | ISO 3166-1 alpha-2 OM | ICAO airport code prefix OO |
| E.164 code 968 | IOC country code OMA | Country code top-level domain .om | ICAO aircraft regis. prefix A4O- |
| E.212 mobile country code 422 | NATO three-letter code OMN | NATO two-letter code MU | LOC MARC code MK |
| ITU Maritime ID 461 | ITU letter code OMA | FIPS country code MU | License plate code OM (unofficial) |
| GS1 GTIN prefix — | UNDP country code OMA | WMO country code OM | ITU callsign prefixes A4A-A4Z |

## Pakistan

| ISO 3166-1 numeric 586 | ISO 3166-1 alpha-3 PAK | ISO 3166-1 alpha-2 PK | ICAO airport code prefix OP |
| E.164 code 92 | IOC country code PAK | Country code top-level domain .pk | ICAO aircraft regis. prefix AP- |
| E.212 mobile country code 410 | NATO three-letter code PAK | NATO two-letter code PK | LOC MARC code PK |
| ITU Maritime ID 463 | ITU letter code PAK | FIPS country code PK | License plate code PK |
| GS1 GTIN prefix 896 | UNDP country code PAK | WMO country code PK | ITU callsign prefixes 6PA-6SZ, APA-ASZ |

## Palau

| ISO 3166-1 numeric 585 | ISO 3166-1 alpha-3 PLW | ISO 3166-1 alpha-2 PW | ICAO airport code prefix PT |
| E.164 code 680 | IOC country code PLW | Country code top-level domain .pw | ICAO aircraft regis. prefix — |
| E.212 mobile country code 552 | NATO three-letter code PLW | NATO two-letter code PS | LOC MARC code PW |
| ITU Maritime ID 511 | ITU letter code PLW | FIPS country code PS | License plate code PAL (unofficial) |
| GS1 GTIN prefix — | UNDP country code TTP | WMO country code — | ITU callsign prefixes T8A-T8Z |
* ↑ Formerly the Trust Territory of the Pacific Islands (1986)

## Palestine (state disputed)

In cases with two codes listed, the first one applies to the Gaza Strip, the second code to the West Bank.
| ISO 3166-1 numeric 275 | ISO 3166-1 alpha-3 PSE | ISO 3166-1 alpha-2 PS | ICAO airport code prefix LV, OJ |
| E.164 code 970 | IOC country code PLE | Country code top-level domain .ps | ICAO aircraft regis. prefix — |
| E.212 mobile country code — | NATO three-letter code PSE | NATO two-letter code PS | LOC MARC code GZ, WJ |
| ITU Maritime ID 443 | ITU letter code XGZ, XWB | FIPS country code GZ, WE | License plate code PS (unofficial) |
| GS1 GTIN prefix — | UNDP country code PAL | WMO country code — | ITU callsign prefixes E4A-E4Z |
* ↑ This NATO country code appears in the 9th edition and is also assigned to Palau

## Panama

| ISO 3166-1 numeric 591 | ISO 3166-1 alpha-3 PAN | ISO 3166-1 alpha-2 PA | ICAO airport code prefix MP |
| E.164 code 507 | IOC country code PAN | Country code top-level domain .pa | ICAO aircraft regis. prefix HP- |
| E.212 mobile country code 714 | NATO three-letter code PAN | NATO two-letter code PM | LOC MARC code PN |
| ITU Maritime ID 351-357 | ITU letter code PNR | FIPS country code PM | License plate code PA |
| GS1 GTIN prefix 745 | UNDP country code PAN | WMO country code PM | ITU callsign prefixes 3EA-3FZ, H3A-H3Z H8A-H9Z, HOA-HPZ |

## Papua New Guinea

| ISO 3166-1 numeric 598 | ISO 3166-1 alpha-3 PNG | ISO 3166-1 alpha-2 PG | ICAO airport code prefix AY |
| E.164 code 675 | IOC country code PNG | Country code top-level domain .pg | ICAO aircraft regis. prefix P2- |
| E.212 mobile country code 537 | NATO three-letter code PNG | NATO two-letter code PP | LOC MARC code PP |
| ITU Maritime ID 553 | ITU letter code PNG | FIPS country code PP | License plate code PNG |
| GS1 GTIN prefix — | UNDP country code PNG | WMO country code NG | ITU callsign prefixes P2A-P2Z |

## Paraguay

| ISO 3166-1 numeric 600 | ISO 3166-1 alpha-3 PRY | ISO 3166-1 alpha-2 PY | ICAO airport code prefix SG |
| E.164 code 595 | IOC country code PAR | Country code top-level domain .py | ICAO aircraft regis. prefix ZP- |
| E.212 mobile country code 744 | NATO three-letter code PRY | NATO two-letter code PA | LOC MARC code PY |
| ITU Maritime ID 755 | ITU letter code PRG | FIPS country code PA | License plate code PY |
| GS1 GTIN prefix 784 | UNDP country code PAR | WMO country code PY | ITU callsign prefixes ZPA-ZPZ |

## Peru

| ISO 3166-1 numeric 604 | ISO 3166-1 alpha-3 PER | ISO 3166-1 alpha-2 PE | ICAO airport code prefix SP |
| E.164 code 51 | IOC country code PER | Country code top-level domain .pe | ICAO aircraft regis. prefix OB- |
| E.212 mobile country code 716 | NATO three-letter code PER | NATO two-letter code PE | LOC MARC code PE |
| ITU Maritime ID 760 | ITU letter code PRU | FIPS country code PE | License plate code PE |
| GS1 GTIN prefix 775 | UNDP country code PER | WMO country code PR | ITU callsign prefixes 4TA-4TZ, OAA-OCZ |

## Philippines

| ISO 3166-1 numeric 608 | ISO 3166-1 alpha-3 PHL | ISO 3166-1 alpha-2 PH | ICAO airport code prefix RP |
| E.164 code 63 | IOC country code PHI | Country code top-level domain .ph | ICAO aircraft regis. prefix RP- |
| E.212 mobile country code 515 | NATO three-letter code PHL | NATO two-letter code RP | LOC MARC code PH |
| ITU Maritime ID 548 | ITU letter code PHL | FIPS country code RP | License plate code RP |
| GS1 GTIN prefix 480 | UNDP country code PHI | WMO country code PH | ITU callsign prefixes 4DA-4IZ, DUA-DZZ |

## Pitcairn Islands (territory of the UK)

| ISO 3166-1 numeric 612 | ISO 3166-1 alpha-3 PCN | ISO 3166-1 alpha-2 PN | ICAO airport code prefix — |
| E.164 code 64 | IOC country code — | Country code top-level domain .pn | ICAO aircraft regis. prefix G- |
| E.212 mobile country code — | NATO three-letter code PCN | NATO two-letter code PC | LOC MARC code PC |
| ITU Maritime ID 555 | ITU letter code PTC | FIPS country code PC | License plate code — |
| GS1 GTIN prefix — | UNDP country code — | WMO country code PT | ITU callsign prefixes — |

## Poland

| ISO 3166-1 numeric 616 | ISO 3166-1 alpha-3 POL | ISO 3166-1 alpha-2 PL | ICAO airport code prefix EP |
| E.164 code 48 | IOC country code POL | Country code top-level domain .pl | ICAO aircraft regis. prefix SP- |
| E.212 mobile country code 260 | NATO three-letter code POL | NATO two-letter code PL | LOC MARC code PL |
| ITU Maritime ID 261 | ITU letter code POL | FIPS country code PL | License plate code PL |
| GS1 GTIN prefix 590 | UNDP country code POL | WMO country code PL | ITU callsign prefixes 3ZA-3ZZ, HFA-HFZ, SNA-SRZ |

## Portugal

| ISO 3166-1 numeric 620 | ISO 3166-1 alpha-3 PRT | ISO 3166-1 alpha-2 PT | ICAO airport code prefix LP |
| E.164 code 351 | IOC country code POR | Country code top-level domain .pt | ICAO aircraft regis. prefix CR-, CS- |
| E.212 mobile country code 268 | NATO three-letter code PRT | NATO two-letter code PO | LOC MARC code PO |
| ITU Maritime ID 263 | ITU letter code POR | FIPS country code PO | License plate code P |
| GS1 GTIN prefix 560 | UNDP country code POR | WMO country code PO | ITU callsign prefixes CQA-CUZ |

## Puerto Rico (territory of the US)

| ISO 3166-1 numeric 630 | ISO 3166-1 alpha-3 PRI | ISO 3166-1 alpha-2 PR | ICAO airport code prefix TJ |
| E.164 code 1 | IOC country code PUR | Country code top-level domain .pr | ICAO aircraft regis. prefix N- |
| E.212 mobile country code 330 | NATO three-letter code PRI | NATO two-letter code RQ | LOC MARC code PR |
| ITU Maritime ID 358 | ITU letter code PTR | FIPS country code RQ | License plate code PR |
| GS1 GTIN prefix — | UNDP country code PUE | WMO country code PU | ITU callsign prefixes — |

## Qatar

| ISO 3166-1 numeric 634 | ISO 3166-1 alpha-3 QAT | ISO 3166-1 alpha-2 QA | ICAO airport code prefix OT |
| E.164 code 974 | IOC country code QAT | Country code top-level domain .qa | ICAO aircraft regis. prefix A7- |
| E.212 mobile country code 427 | NATO three-letter code QAT | NATO two-letter code QA | LOC MARC code QA |
| ITU Maritime ID 466 | ITU letter code QAT | FIPS country code QA | License plate code Q |
| GS1 GTIN prefix — | UNDP country code QAT | WMO country code QT | ITU callsign prefixes A7A-A7Z |