| A country | Alfa-2 ISO3166-1 | Alfa-3 ISO 3166-12 | Digital code M49 ISO 3166-13 | Code ISO 3166-2 | Phone number code | Railway code UIC 920-14 |
|---|---|---|---|---|---|---|
| European Union | I | I | ||||
| Australia | THE | FROM | 36 | THE | + 61 | |
| Austria | AT | OR | 40 | AT | + 43 | 81 |
| Azerbaijan | The | AZE | 31 | The | + 994 | 57 |
| Aland Islands | AX | WING | 248 | AX | ||
| Albania | AT | ALB | 8 | AT | + 335 | 41 |
| Algeria | DZ | DZA | 12 | DZ | + 213 | 92 |
| American Samoa | AS | ASM | 16 | AS | + 684 | |
| Anguilla | AI | AIA | 660 | AI | + 1264 | |
| Angola | TO | AGO | 24 | TO | + 244 | |
| Andorra | TO | AND | 20 | TO | + 376 | |
| Antarctica | AQ | ATA | 10 | AQ | + 672 | |
| Antigua and Barbuda | AG | ATG | 28 | AG | + 1268 | |
| Argentina | On | ARG | 32 | On | + 54 | |
| Armenia | AM | ARM | 51 | AM | + 374 | 58 |
| Aruba | AW | ABW | 533 | AW | + 297 | |
| Afghanistan | OF | AFG | 4 | OF | + 93 | 68 |
| The Bahamas | BS | BHS | 44 | BS | + 1242 | |
| Bangladesh | BD | BGD | 50 | BD | + 880 | |
| Barbados | BB | BRB | 52 | BB | + 1246 | |
| Bahrain | FB | BHR | 48 | FB | + 973 | |
| Belize | BATHR | BLZ | 84 | BATHR | + 501 | |
| Belarus | BY | BLR | 112 | BY | + 375 | 21 |
| Belgium | BE | BEL | 56 | BE | + 32 | 88 |
| Benin | BJ | I | 204 | BJ | + 229 | |
| Bermuda | BM | BMU | 60 | BM | + 1441 | |
| Bulgaria | BG | BGR | 100 | BG | + 359 | 52 |
| Bolivia | BO | BE | 68 | BO | + 591 | |
| Bonaire, Sint Eustatius and Saba | BQ | BES | 535 | BQ | ||
| Bosnia and Herzegovina | BA | I would | 70 | BA | + 387 | 49 |
| Botswana | BW | WOOD | 72 | BW | + 267 | |
| Brazil | BR | BRA | 76 | BR | + 55 | |
| British Indian Ocean Territory | I | IOT | 86 | I | + 246 | |
| Brunei | BN | BRN | 96 | BN | + 673 | |
| Burkina Faso | BF | BFA | 854 | BF | + 226 | |
| Burundi | A | BDI | 108 | A | + 257 | |
| Bhutan | BT | BTN | 64 | BT | + 975 | |
| Vanuatu | SEE | ^ A | 548 | SEE | + 678 | |
| Vatican City | And | VAT | 336 | And | + 396 | |
| Great Britain | GB | GBR | 826 | GB | + 44 | |
| Hungary | HU | SHE | 348 | HU | + 36 | 55 |
| Venezuela | and | Come here | 862 | and | + 58 | |
| Virgin Islands (United Kingdom) | VG | VGB | 92 | VG | + 1284 | |
| Virgin Islands (USA) | IV | Source | 850 | IV | + 1340 | |
| Outer Small Islands (USA) | A | UMI | 581 | A | ||
| East Timor | TL | TLS | 626 | TL | + 62 | |
| Vietnam | VN | VNM | 704 | VN | + 84 | 32 |
| Gabon | GA | ANNOUNCED | 266 | GA | + 241 | |
| Guyana | GY | GUY | 328 | GY | + 592 | |
| Haiti | HT | HTI | 332 | HT | + 509 | |
| Gambia | GM | GMB | 270 | GM | + 220 | |
| Ghana | GH | GHA | 288 | GH | + 233 | |
| Guadeloupe | GP | GLP | 312 | GP | + 590 | |
| Guatemala | GT | GTM | 320 | GT | + 502 | |
| Guiana | GF | GUF | 254 | GF | + 594 | |
| Guinea | GN | GIN | 324 | GN | + 224 | |
| Guinea-Bissau | GW | GNB | 624 | GW | + 245 | |
| Germany | OF | DEU | 276 | OF | + 49 | 80 |
| Guernsey | GG | GGY | 831 | GG | + 44 1481 | |
| Gibraltar | GI | GIVE | 292 | GI | + 350 | |
| Honduras | HN | HND | 340 | HN | + 504 | |
| Hong Kong | HK | HKG | 344 | HK | + 852 | |
| State of Palestine | PS | PSE | 275 | PS | ||
| Grenada | GD | GRD | 308 | GD | + 1473 | |
| Greenland | GL | GRL | 304 | GL | + 299 | |
| Greece | GR | GRC | 300 | GR | + 30 | 73 |
| Georgia | GE | GEO | 268 | GE | + 995 | 28 |
| Guam | GU | GUM | 316 | GU | + 1671 | |
| Denmark | DK | DNK | 208 | DK | + 45 | 86 |
| Jersey | I | JEY | 832 | I | + 44 1534 | |
| Djibouti | DJ | DJI | 262 | DJ | + 253 | |
| Dominika | DM | DMA | 212 | DM | + 1767 | |
| Dominican Republic | DO | DOM | 214 | DO | + 1809 | |
| DR Congo | CD | COD | 180 | CD | + 242 | |
| Egypt | EG | One | 818 | EG | + 20 | 90 |
| Zambia | ZM | ZMB | 894 | ZM | + 260 | |
| Zimbabwe | ZW | ZWE | 716 | ZW | + 263 | |
| Yemen | YE | FOOD | 887 | YE | + 967 | |
| Israel | IT | ISR | 376 | IT | + 972 | 95 |
| India | IN | ENTER | 356 | IN | + 91 | |
| Indonesia | ID | IDN | 360 | ID | + 62 | |
| Jordan | JO | JOR | 400 | JO | + 962 | |
| Iraq | IQ | IRQ | 368 | IQ | + 964 | 99 |
| Iran | BE | IRN | 364 | BE | + 98 | 96 |
| Irish | IE | IRL | 372 | IE | + 353 | 60 |
| Iceland | IS | ISL | 352 | IS | + 354 | |
| Spain | BE | ESP | 724 | BE | + 34 | 71 |
| Italy | IT | SO | 380 | IT | + 39 | 83 |
| Cape Verde | CV | CPV | 132 | CV | + 238 | |
| Kazakhstan | KZ | DIGGING | 398 | KZ | + 7 | 27 |
| Cambodia | KH | KHM | 116 | KH | + 885 | |
| Cameroon | CM | CMR | 120 | CM | + 237 | |
| Canada | CA | CAN | 124 | CA | + 1 | |
| Qatar | QA | Layer | 634 | QA | + 974 | |
| Kenya | To | KEN | 404 | To | + 254 | |
| Cyprus | CY | CYP | 196 | CY | + 357 | |
| Kyrgyzstan | KG | KGZ | 417 | KG | + 996 | 59 |
| Kiribati | THAT | KIR | 296 | THAT | + 686 | |
| China (People's Republic of China) | CN | CHN | 156 | CN | + 86 | 33 |
| republic of china | TW | TWN | 158 | TW | + 886 | |
| DPRK (Democratic People's Republic of Korea) | KP | PRK | 408 | KP | + 850 | 30 |
| Cocos Islands | CC | CCK | 166 | CC | + 61891 | |
| Colombia | CO | COL | 170 | CO | + 57 | |
| Komors | KM | COM | 174 | KM | + 269 | |
| Costa Rica | CR | CRY | 188 | CR | + 506 | |
| Ivory Coast | WE | CIV | 384 | WE | + 255 | |
| Cuba | With | CUB | 192 | With | + 53 | 40 |
| Kuwait | KW | KWT | 414 | KW | + 965 | |
| Curacao | CW | CUW | 531 | CW | ||
| Laos | THERE | LAO | 418 | THERE | + 856 | |
| Latvia | LV | LVA | 428 | LV | + 371 | 25 |
| Lesotho | LS | LSO | 426 | LS | + 266 | |
| Liberia | LR | LBR | 430 | LR | + 231 | |
| Lebanon | LB | LBN | 422 | LB | + 961 | 98 |
| Libya | LY | LBY | 434 | LY | + 218 | |
| Lithuania | LT | LTU | 440 | LT | + 370 | 24 |
| Liechtenstein | O | LIE | 438 | O | + 423 | 82 |
| Luxembourg | LU | LUX | 442 | LU | + 352 | |
| Mauritius | MU | MOUSE | 480 | MU | + 230 | |
| Mauritania | MR | MRT | 478 | MR | + 222 | |
| Madagascar | MG | MDG | 450 | MG | + 261 | |
| Mayotte | YT | MYT | 175 | YT | + 269 | |
| Macau | MO | MAC | 446 | MO | + 853 | |
| Malawi | MW | MWI | 454 | MW | + 265 | |
| Malaysia | MY | MYS | 458 | MY | + 60 | |
| Had | ML | MLI | 466 | ML | + 223 | |
| Maldives | MV | MDV | 462 | MV | + 960 | |
| Malta | MT | MLT | 470 | MT | + 356 | |
| Morocco | BUT | MAR | 504 | BUT | + 212 | 93 |
| Martinique | SQ | MTQ | 474 | SQ | + 596 | |
| Marshall Islands | MH | MHL | 584 | MH | + 692 | |
| Mexico | MX | MEX | 484 | MX | + 52 | |
| Micronesia | FM | FSM | 583 | FM | + 691 | |
| Mozambique | MZ | MOZ | 508 | MZ | + 258 | |
| Moldova | MD | MDA | 498 | MD | + 373 | 23 |
| Monaco | MC | MCO | 492 | MC | + 377 | |
| Mongolia | MN | MNG | 496 | MN | + 976 | 31 |
| Montserrat | MS | MSR | 500 | MS | + 1664 | |
| Myanmar | MM | MMR | 104 | MM | + 95 | |
| Namibia | NA | FOR | 516 | NA | + 264 | |
| Nauru | NR | NRU | 520 | NR | + 674 | |
| Nepal | NP | NPL | 524 | NP | + 977 | |
| Niger | NE | DOWN | 562 | NE | + 227 | |
| Nigeria | The New York Times | THAT | 566 | The New York Times | + 234 | |
| Netherlands | NL | NLD | 528 | NL | + 31 | 84 |
| Nicaragua | NI | NIC | 558 | NI | + 505 | |
| Niue | No | NIU | 570 | No | + 683 | |
| New Zealand | NZ | NZL | 554 | NZ | + 64 | |
| New Caledonia | NC | NCL | 540 | NC | + 687 | |
| Norway | NO | NOR | 578 | NO | + 47 | 76 |
| UAE | AE | ARE | 784 | AE | + 971 | |
| Oman | OM | TOTALLY | 512 | OM | + 968 | |
| Bouvet Island | BV | BVT | 74 | BV | + 47 | |
| Isle of Man | IN | IMN | 833 | IN | + 44 1624 | |
| Norfolk Island | NF | NFK | 574 | NF | + 672 | |
| Christmas Island | CX | CXR | 162 | CX | + 61891 | |
| Cayman Islands | KY | CYM | 136 | KY | + 1345 | |
| Cook Islands | CK | SO | 184 | CK | + 682 | |
| Pitcairn Islands | PN | PCN | 612 | PN | + 872 | |
| Islands of Saint Helena, Ascension and Tristan da Cunha | SH | SHN | 654 | SH | + 290 | |
| Pakistan | PK | THEN | 586 | PK | + 92 | |
| Palau | PW | PLW | 585 | PW | + 680 | |
| Panama hat | FOR | PAN | 591 | FOR | + 507 | |
| Papua New Guinea | PG | PNG | 598 | PG | + 675 | |
| Paraguay | PY | PRY | 600 | PY | + 595 | |
| Peru | PE | PER | 604 | PE | + 51 | |
| Poland | PL | POL | 616 | PL | + 48 | 51 |
| Portugal | PT | PRT | 620 | PT | + 351 | 94 |
| Puerto Rico | PR | WHEN | 630 | PR | + 1787 | |
| Republic of the Congo | CG | COG | 178 | CG | + 243 | |
| Republic of Korea | KR | KOR | 410 | KR | + 82 | 61 |
| Republika Srpska | BA | I would | 70 | BA-SRP | + 387 | 44 |
| Reunion | RE | RE | 638 | RE | + 262 | |
| Russia | RU | RUS | 643 | RU | + 7 | 20 |
| Rwanda | RW | RWA | 646 | RW | + 250 | |
| Romania | RO | ROU | 642 | RO | + 40 | 53 |
| SADR | EH | ESH | 732 | EH | + 212 | |
| El Salvador | SV | SLV | 222 | SV | + 503 | |
| Samoa | WS | WSM | 882 | WS | + 685 | |
| San Marino | SM | SMR | 674 | SM | + 378 | |
| Sao Tome and Principe | ST | STP | 678 | ST | + 239 | |
| Saudi Arabia | ITS | Or | 682 | ITS | + 966 | |
| Northern Macedonia | MK | MKD | 807 | MK | + 389 | 65 |
| Northern Mariana Islands | MP | MNP | 580 | MP | + 1670 | |
| Seychelles | SC | SYC | 690 | SC | + 248 | |
| Saint Barthelemy | BL | BLM | 652 | BL | ||
| Senegal | SN | SOLVE | 686 | SN | + 221 | |
| Saint Martin | MF | MAF | 663 | MF | ||
| Saint Pierre and Miquelon | PM | SPM | 666 | PM | + 508 | |
| Saint Vincent and the Grenadines | VC | VCT | 670 | VC | + 1784 | |
| Saint Kitts and Nevis | KN | KNA | 659 | KN | + 1869 | |
| Saint Lucia | LC | LCA | 662 | LC | + 1758 | |
| Serbia | RS | SRB | 688 | RS | 72 | |
| Singapore | SG | SGP | 702 | SG | + 65 | |
| Sint Maarten | SX | SXM | 534 | SX | ||
| Syria | SY | SYR | 760 | SY | + 963 | 97 |
| Slovakia | SK | SVK | 703 | SK | + 421 | 56 |
| Slovenia | YOU | SVN | 705 | YOU | + 386 | 79 |
| Solomon Islands | SB | SLB | 90 | SB | + 677 | |
| Somalia | SO | I | 706 | SO | + 252 | |
| Sudan | SD | SDN | 729 | SD | + 249 | |
| Suriname | SR | ON | 740 | SR | + 597 | |
| USA | US | USA | 840 | US | + 1 | |
| Sierra Leone | SL | SLE | 694 | SL | + 232 | |
| Tadjikistan | TJ | TJK | 762 | TJ | + 992 | 66 |
| Thailand | TH | Kimberly | 764 | TH | + 66 | |
| Tanzania | CONTACTOR | X | 834 | CONTACTOR | + 255 | |
| Turks and Caicos | TC | TCA | 796 | TC | + 1649 | |
| Togo | TG | TGO | 768 | TG | + 228 | |
| Tokelau | TK | TKL | 772 | TK | + 690 | |
| Tonga | TO | TONE | 776 | TO | + 676 | |
| Trinidad and Tobago | TT | TTO | 780 | TT | + 1868 | |
| Tuvalu | TV | TUV | 798 | TV | + 688 | |
| Tunisia | TN | DO | 788 | TN | + 216 | 91 |
| Turkmenistan | TM | TKM | 795 | TM | + 993 | 67 |
| Turkey | TR | ALL | 792 | TR | + 90 | 75 |
| Uganda | AND | Also | 800 | AND | + 256 | |
| Uzbekistan | TO | UZB | 860 | TO | + 998 | 29 |
| Ukraine | UA | UKR | 804 | UA | + 380 | 22 |
| Wallis and Futuna | WF | WLF | 876 | WF | + 681 | |
| Uruguay | UY | URY | 858 | UY | + 598 | |
| Faroes | FO | FRO | 234 | FO | + 298 | |
| Fiji | FJ | FJI | 242 | FJ | + 679 | |
| Philippines | PH | PHL | 608 | PH | + 63 | |
| Finland | Be | FIN | 246 | Be | + 358 | 10 |
| Falkland Islands | FK | FLK | 238 | FK | + 500 | |
| France | FR | BETWEEN | 250 | FR | + 33 | 87 |
| French Polynesia | PF | PYF | 258 | PF | + 689 | |
| French Southern and Antarctic Territories | TF | ATF | 260 | TF | + 262 | |
| Heard and McDonald | HM | HMD | 334 | HM | + 61 | |
| Croatia | HR | HRV | 191 | HR | + 385 | 78 |
| King | CF | CAF | 140 | CF | + 236 | |
| Chad | TD | TCD | 148 | TD | + 235 | |
| Montenegro | ME | MNE | 499 | ME | + 382 | 62 |
| Czech | CZ | En | 203 | CZ | + 420 | 54 |
| Chile | CL | CHL | 152 | CL | + 56 | |
| Switzerland | CH | What | 756 | CH | + 41 | 85 |
| Sweden | IT | SWE | 752 | IT | + 46 | 74 |
| Svalbard and Jan Mayen | SJ | SJM | 744 | SJ | + 47790 | |
| Sri Lanka | LK | LKA | 144 | LK | + 94 | |
| Ecuador | EC | ECU | 218 | EC | + 593 | |
| Equatorial Guinea | GQ | GNQ | 226 | GQ | + 240 | |
| Eritrea | HE | BE | 232 | HE | + 291 | |
| Eswatini | SZ | SWZ | 748 | SZ | + 268 | |
| Estonia | EE | BE | 233 | EE | + 372 | 26 |
| Ethiopia | AND | ETH | 231 | AND | + 251 | |
| South AFRICA | SA | ZAF | 710 | SA | + 27 | |
| South Georgia and the South Sandwich Islands | GS | SGS | 239 | GS | + 44 | |
| South Sudan | SS | SSD | 728 | SS | ||
| Jamaica | JM | JAM | 388 | JM | + 1876 | |
| Japan | JP | JPN | 392 | JP | + 81 | 42 |
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