| Country Name | ISD Code | ISO A2 | ISO A3 | Number |
|---|
| Abkhazia | +7 840, +7 940, +995 44 | | | |
| Afghanistan | +93 | AF | AFG | 004 |
| Åland Islands | +358 | AX | ALA | 248 |
| Albania | +355 | AL | ALB | 008 |
| Algeria | +213 | DZ | DZA | 012 |
| American Samoa | +1 684 | AS | ASM | 016 |
| Andorra | +376 | AD | and | 020 |
| Angola | +244 | AO | AGO | 024 |
| Anguilla | +1 264 | AI | AIA | 660 |
| Antarctica | | AQ | ATA | 010 |
| Antigua and Barbuda | +1 268 | AG | ATG | 028 |
| Argentina | +54 | AR | ARG | 032 |
| Armenia | +374 | AM | ARM | 051 |
| Aruba | +297 | AW | ABW | 533 |
| Ascension | +247 | | | |
| Australia | +61 | AU | AUS | 036 |
| Australian External Territories | +672 | | | |
| Austria | +43 | AT | AUT | 040 |
| Azerbaijan | +994 | AZ | AZE | 031 |
| Bahamas | +1 242 | BS | BHS | 044 |
| Bahrain | +973 | BH | BHR | 048 |
| Bangladesh | +880 | BD | BGD | 050 |
| Barbados | +1 246 | BB | BRB | 052 |
| Belarus | +375 | BY | BLR | 112 |
| Belgium | +32 | BE | BEL | 056 |
| Belize | +501 | BZ | BLZ | 084 |
| Benin | +229 | BJ | BEN | 204 |
| Bermuda | +1 441 | BM | BMU | 060 |
| Bhutan | +975 | BT | BTN | 064 |
| Bolivia | +591 | BO | BOL | 068 |
| Bonaire | +599 7 | | | |
| Bosnia and Herzegovina | +387 | BA | BIH | 070 |
| Botswana | +267 | BW | BWA | 072 |
| | BV | BVT | 074 |
| Brazil | +55 | BR | BRA | 076 |
| British Indian Ocean Territory | +246 | IO | IOT | 086 |
| Brunei | +673 | BN | BRN | 096 |
| Bulgaria | +359 | BG | BGR | 100 |
| Burkina Faso | +226 | BF | BFA | 854 |
| Burundi | +257 | BI | BDI | 108 |
| Cambodia | +855 | KH | KHM | 116 |
| Cameroon | +237 | CM | CMR | 120 |
| Canada | +1 | CA | CAN | 124 |
| Cape Verde | +238 | CV | CPV | 132 |
| Caribbean Netherlands | +599 3, +599 4, +599 7 | | | |
| Cayman Islands | +1 345 | KY | CYM | 136 |
| Central African Republic | +236 | CF | CAF | 140 |
| Chad | +235 | TD | TCD | 148 |
| Chatham Island | +64 | | | |
| Chile | +56 | CL | CHL | 152 |
| China | +86 | CN | CHN | 156 |
| China, Republic of (Taiwan) | +886 | TW | TWN | 158 |
| Christmas Island | +61 | CX | CXR | 162 |
| Cocos (Keeling) Islands | +61 | CC | CCK | 166 |
| Colombia | +57 | CO | COL | 170 |
| Comoros | +269 | KM | COM | 174 |
| Congo, Democratic Republic of the (Congo-Kinshasa) | +243 | CD | COD | 180 |
| Congo, Republic of the (Congo-Brazzaville) | +242 | CG | COG | 178 |
| Cook Islands | +682 | CK | COK | 184 |
| Costa Rica | +506 | CR | CRI | 188 |
| Côte d'Ivoire (Ivory Coast) | +225 | CI | CIV | 384 |
| Croatia | +385 | HR | HRV | 191 |
| Cuba | +53 | CU | CUB | 192 |
| Cuba (Guantanamo Bay) | +53 99 | | | |
| Curaçao | +599 9 | | | |
| Cyprus | +357 | CY | CYP | 196 |
| Czech Republic | +420 | CZ | CZE | 203 |
| Denmark | +45 | DK | DNK | 208 |
| Diego Garcia | +246 | | | |
| Djibouti | +253 | DJ | DJI | 262 |
| Dominica | +1 767 | DM | DMA | 212 |
| Dominican Republic | +1 809, +1 829, +1 849 | DO | DOM | 214 |
| East Timor (Timor-Leste) | +670 | TL | TLS | 626 |
| Easter Island | +56 | | | |
| Ecuador | +593 | EC | ECU | 218 |
| Egypt | +20 | EG | EGY | 818 |
| El Salvador | +503 | SV | SLV | 222 |
| Ellipso (Mobile Satellite service) | +881 2, +881 3 | | | |
| EMSAT (Mobile Satellite service) | +882 13 | | | |
| Equatorial Guinea | +240 | GQ | GNQ | 226 |
| Eritrea | +291 | ER | ERI | 232 |
| Estonia | +372 | EE | EST | 233 |
| Ethiopia | +251 | ET | ETH | 231 |
| Falkland Islands | +500 | FK | FLK | 238 |
| Faroe Islands | +298 | FO | FRO | 234 |
| Fiji | +679 | FJ | FJI | 242 |
| Finland | +358 | FI | FIN | 246 |
| France | +33 | FR | FRA | 250 |
| French Antilles | +596 | | | |
| French Guiana | +594 | GF | GUF | 254 |
| French Polynesia | +689 | PF | PYF | 258 |
| French Southern Territories | | TF | ATF | 260 |
| Gabon | +241 | GA | GAB | 266 |
| Gambia | +220 | GM | GMB | 270 |
| Georgia | +995 | GE | GEO | 268 |
| Germany | +49 | DE | DEU | 276 |
| Ghana | +233 | GH | GHA | 288 |
| Gibraltar | +350 | GI | GIB | 292 |
| Global Mobile Satellite System (GMSS) | +881 | | | |
| Globalstar (Mobile Satellite Service) | +881 8, +881 9 | | | |
| Greece | +30 | GR | GRC | 300 |
| Greenland | +299 | GL | GRL | 304 |
| Grenada | +1 473 | GD | GRD | 308 |
| Guadeloupe | +590 | GP | GLP | 312 |
| Guam | +1 671 | GU | GUM | 316 |
| Guatemala | +502 | GT | GTM | 320 |
| Guernsey | +44 | | | |
| Guinea | +224 | GN | GIN | 324 |
| Guinea-Bissau | +245 | GW | GNB | 624 |
| Guyana | +592 | GY | GUY | 328 |
| Haiti | +509 | HT | HTI | 332 |
| Heard Island and McDonald Islands | | HM | HMD | 334 |
| Honduras | +504 | HN | HND | 340 |
| Hong Kong | +852 | HK | HKG | 344 |
| Hungary | +36 | HU | HUN | 348 |
| Iceland | +354 | IS | ISL | 352 |
| ICO Global (Mobile Satellite Service) | +881 0, +881 1 | | | |
| India | +91 | IN | IND | 356 |
| Indonesia | +62 | ID | IDN | 360 |
| Inmarsat SNAC | +870 | | | |
| International Freephone Service | +800 | | | |
| International Shared Cost Service (ISCS) | +808 | | | |
| Iran | +98 | IR | IRN | 364 |
| Iraq | +964 | IQ | IRQ | 368 |
| Ireland | +353 | IE | IRL | 372 |
| Iridium (Mobile Satellite service) | +881 6, +881 7 | | | |
| Isle of Man | +44 | | | |
| Israel | +972 | IL | ISR | 376 |
| Italy | +39 | IT | ITA | 380 |
| Jamaica | +1 876 | JM | JAM | 388 |
| Japan | +81 | JP | JPN | 392 |
| Jersey | +44 | | | |
| Jordan | +962 | JO | JOR | 400 |
| Kazakhstan | +7 6, +7 7 | KZ | KAZ | 398 |
| Kenya | +254 | KE | KEN | 404 |
| Kiribati | +686 | KI | KIR | 296 |
| Korea, North | +850 | KP | PRK | 408 |
| Korea, South | +82 | KR | KOR | 410 |
| Kuwait | +965 | KW | KWT | 414 |
| Kyrgyzstan | +996 | KG | KGZ | 417 |
| Laos | +856 | LA | LAO | 418 |
| Latvia | +371 | LV | LVA | 428 |
| Lebanon | +961 | LB | LBN | 422 |
| Lesotho | +266 | LS | LSO | 426 |
| Liberia | +231 | LR | LBR | 430 |
| Libya | +218 | LY | LBY | 434 |
| Liechtenstein | +423 | LI | LIE | 438 |
| Lithuania | +370 | LT | LTU | 440 |
| Luxembourg | +352 | LU | LUX | 442 |
| Macau | +853 | MO | MAC | 446 |
| Macedonia | +389 | MK | MKD | 807 |
| Madagascar | +261 | MG | MDG | 450 |
| Malawi | +265 | MW | MWI | 454 |
| Malaysia | +60 | MY | MYS | 458 |
| Maldives | +960 | MV | MDV | 462 |
| Mali | +223 | ML | MLI | 466 |
| Malta | +356 | MT | MLT | 470 |
| Marshall Islands | +692 | MH | MHL | 584 |
| Martinique | +596 | MQ | MTQ | 474 |
| Mauritania | +222 | MR | MRT | 478 |
| Mauritius | +230 | MU | MUS | 480 |
| Mayotte | +262 | YT | MYT | 175 |
| Mexico | +52 | MX | MEX | 484 |
| Micronesia, Federated States of | +691 | FM | FSM | 583 |
| Midway Atoll | +1 808 | | | |
| Moldova | +373 | MD | MDA | 498 |
| Monaco | +377 | MC | MCO | 492 |
| Mongolia | +976 | MN | MNG | 496 |
| Montenegro | +382 | CS | SCG | 891 |
| Montserrat | +1 664 | MS | MSR | 500 |
| Morocco | +212 | MA | MAR | 504 |
| Mozambique | +258 | MZ | MOZ | 508 |
| Myanmar (Burma) | +95 | MM | MMR | 104 |
| Namibia | +264 | NA | NAM | 516 |
| Nauru | +674 | NR | NRU | 520 |
| Nepal | +977 | NP | NPL | 524 |
| Netherlands | +31 | NL | NLD | 528 |
| | AN | ANT | 530 |
| New Caledonia | +687 | NC | NCL | 540 |
| New Zealand | +64 | NZ | NZL | 554 |
| Nicaragua | +505 | NI | NIC | 558 |
| Niger | +227 | NE | NER | 562 |
| Nigeria | +234 | NG | NGA | 566 |
| Niue | +683 | NU | NIU | 570 |
| Norfolk Island | +672 | NF | NFK | 574 |
| Northern Mariana Islands | +1 670 | MP | MNP | 580 |
| Norway | +47 | NO | NOR | 578 |
| Oman | +968 | OM | OMN | 512 |
| Pakistan | +92 | PK | PAK | 586 |
| Palau | +680 | PW | PLW | 585 |
| Palestine | +970 | PS | PSE | 275 |
| Panama | +507 | PA | PAN | 591 |
| Papua New Guinea | +675 | PG | PNG | 598 |
| Paraguay | +595 | PY | PRY | 600 |
| Peru | +51 | PE | PER | 604 |
| Philippines | +63 | PH | PHL | 608 |
| | PN | PCN | 612 |
| Poland | +48 | PL | POL | 616 |
| Portugal | +351 | PT | PRT | 620 |
| Puerto Rico | +1 787, +1 939 | PR | PRI | 630 |
| Qatar | +974 | QA | QAT | 634 |
| Réunion | +262 | RE | REU | 638 |
| Romania | +40 | RO | ROU | 642 |
| Russia | +7 | RU | RUS | 643 |
| Rwanda | +250 | RW | RWA | 646 |
| Saba | +599 4 | | | |
| Saint Barthélemy | +590 | | | |
| Saint Helena | | SH | SHN | 654 |
| Saint Helena, Ascension and Tristan da Cunha | +290 | | | |
| Saint Kitts and Nevis | +1 869 | KN | KNA | 659 |
| Saint Lucia | +1 758 | LC | LCA | 662 |
| Saint Martin | +590 | | | |
| Saint Pierre and Miquelon | +508 | PM | SPM | 666 |
| Saint Vincent and the Grenadines | +1 784 | VC | VCT | 670 |
| Samoa | +685 | WS | WSM | 882 |
| San Marino | +378 | SM | SMR | 674 |
| São Tomé and Príncipe | +239 | ST | STP | 678 |
| Saudi Arabia | +966 | SA | SAU | 682 |
| Senegal | +221 | SN | SEN | 686 |
| Serbia | +381 | CS | SCG | 891 |
| Seychelles | +248 | SC | SYC | 690 |
| Sierra Leone | +232 | SL | SLE | 694 |
| Singapore | +65 | SG | SGP | 702 |
| Sint Eustatius | +599 3 | | | |
| Sint Maarten | +1 721 | | | |
| Slovakia | +421 | SK | SVK | 703 |
| Slovenia | +386 | SI | SVN | 705 |
| Solomon Islands | +677 | SB | SLB | 090 |
| Somalia | +252 | SO | SOM | 706 |
| South Africa | +27 | ZA | ZAF | 710 |
| South Georgia and the South Sandwich Islands | +500 | GS | SGS | 239 |
| Spain | +34 | ES | ESP | 724 |
| Sri Lanka | +94 | LK | LKA | 144 |
| Sudan | +249 | SD | SDN | 736 |
| Sudan, South | +211 | | | |
| Suriname | +597 | SR | SUR | 740 |
| Svalbard and Jan Mayen | +47 | SJ | SJM | 744 |
| Swaziland | +268 | SZ | SWZ | 748 |
| Sweden | +46 | SE | SWE | 752 |
| Switzerland | +41 | CH | CHE | 756 |
| Syria | +963 | SY | SYR | 760 |
| Tajikistan | +992 | TJ | TJK | 762 |
| Tanzania | +255 | TZ | TZA | 834 |
| Thailand | +66 | TH | THA | 764 |
| Thuraya (Mobile Satellite service) | +882 16 | | | |
| Togo | +228 | TG | TGO | 768 |
| Tokelau | +690 | TK | TKL | 772 |
| Tonga | +676 | TO | TON | 776 |
| Trinidad and Tobago | +1 868 | TT | TTO | 780 |
| Tunisia | +216 | TN | TUN | 788 |
| Turkey | +90 | TR | TUR | 792 |
| Turkmenistan | +993 | TM | TKM | 795 |
| Turks and Caicos Islands | +1 649 | TC | TCA | 796 |
| Tuvalu | +688 | TV | TUV | 798 |
| Uganda | +256 | UG | UGA | 800 |
| Ukraine | +380 | UA | UKR | 804 |
| United Arab Emirates | +971 | AE | ARE | 784 |
| United Kingdom | +44 | GB | GBR | 826 |
| United States of America | +1 | US | USA | 840 |
| Universal Personal Telecommunications (UPT) | +878 | | | |
| United States Minor Outlying Islands | | UM | UMI | 581 |
| Uruguay | +598 | UY | URY | 858 |
| Uzbekistan | +998 | UZ | UZB | 860 |
| Vanuatu | +678 | VU | VUT | 548 |
| Vatican City | +39 066, assigned +379 | VA | VAT | 336 |
| Venezuela | +58 | VE | VEN | 862 |
| Vietnam | +84 | VN | VNM | 704 |
| Virgin Islands, British | +1 284 | VG | VGB | 092 |
| Virgin Islands, United States | +1 340 | VI | VIR | 850 |
| Wake Island | +1 808 | | | |
| Wallis and Futuna | +681 | WF | WLF | 876 |
| | EH | ESH | 732 |
| Yemen | +967 | YE | YEM | 887 |
| Zambia | +260 | ZM | ZMB | 894 |
| Zimbabwe | +263 | ZW | ZWE | 716 |