| Country (or dependency) | Calling Code | 3-letter ISO | 2-letter ISO | 3-digit ISO numeric |
|---|---|---|---|---|
| Afghanistan | 93 | AF | AFG | 004 |
| 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 |
| Antartica | 672 | 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 |
| Australia | 61 | AU | AUS | 036 |
| 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 |
| Bosnia and Herzegovina | 387 | BA | BIH | 070 |
| Botswana | 267 | BW | BWA | 072 |
| Brazil | 55 | BR | BRA | 076 |
| British Indian Ocean Territory | 246 | IO | IOT | 086 |
| British Virgin Islands | 1-284 | VG | VGB | 092 |
| Brunei | 673 | BN | BRN | 096 |
| Bulgaria | 359 | BG | BGR | 100 |
| Burkina Faso | 226 | BF | BFA | 854 |
| Burundi | 257 | BI | BDI | 108 |
| Côte d'Ivoire | 225 | CI | CIV | 384 |
| Cabo Verde | 238 | CV | CPV | 132 |
| Cambodia | 855 | KH | KHM | 116 |
| Cameroon | 237 | CM | CMR | 120 |
| Canada | 1 | CA | CAN | 124 |
| Cayman Islands | 1-345 | KY | CYM | 136 |
| Central African Republic | 236 | CF | CAF | 140 |
| Chad | 235 | TD | TCD | 148 |
| Chile | 56 | CL | CHL | 152 |
| China | 86 | CN | CHN | 156 |
| Christmas Island | 61 | CX | CXR | 162 |
| Cocos Islands | 61 | CC | CCK | 166 |
| Colombia | 57 | CO | COL | 170 |
| Comoros | 269 | KM | COM | 174 |
| Congo | 242 | CG | COG | 178 |
| Cook Islands | 682 | CK | COK | 184 |
| Costa Rica | 506 | CR | CRI | 188 |
| Croatia | 385 | HR | HRV | 191 |
| Cuba | 53 | CU | CUB | 192 |
| Curaçao | 599 | CW | CUW | 531 |
| Cyprus | 357 | CY | CYP | 196 |
| Czech Republic (Czechia) | 420 | CZ | CZE | 203 |
| Denmark | 45 | DK | DNK | 208 |
| Djibouti | 253 | DJ | DJI | 262 |
| Dominica | 1-767 | DM | DMA | 212 |
| Dominican Republic | 1-809, 1-829, 1-849 | DO | DOM | 214 |
| DR Congo | 243 | CD | COD | 180 |
| Ecuador | 593 | EC | ECU | 218 |
| Egypt | 20 | EG | EGY | 818 |
| El Salvador | 503 | SV | SLV | 222 |
| Equatorial Guinea | 240 | GQ | GNQ | 226 |
| Eritrea | 291 | ER | ERI | 232 |
| Estonia | 372 | EE | EST | 233 |
| Eswatini | 268 | SZ | SWZ | 748 |
| Ethiopia | 251 | ET | ETH | 231 |
| Faeroe Islands | 298 | FO | FRO | 234 |
| Falkland Islands | 500 | FK | FLK | 238 |
| Fiji | 679 | FJ | FJI | 242 |
| Finland | 358 | FI | FIN | 246 |
| France | 33 | FR | FRA | 250 |
| French Polynesia | 689 | PF | PYF | 258 |
| 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 |
| Greece | 30 | GR | GRC | 300 |
| Greenland | 299 | GL | GRL | 304 |
| Grenada | 1-473 | GD | GRD | 308 |
| Guam | 1-671 | GU | GUM | 316 |
| Guatemala | 502 | GT | GTM | 320 |
| Guernsey | 44-1481 | GG | GGY | 831 |
| Guinea | 224 | GN | GIN | 324 |
| Guinea-Bissau | 245 | GW | GNB | 624 |
| Guyana | 592 | GY | GUY | 328 |
| Haiti | 509 | HT | HTI | 332 |
| Holy See | 379 | VA | VAT | 336 |
| Honduras | 504 | HN | HND | 340 |
| Hong Kong | 852 | HK | HKG | 344 |
| Hungary | 36 | HU | HUN | 348 |
| Iceland | 354 | IS | ISL | 352 |
| India | 91 | IN | IND | 356 |
| Indonesia | 62 | ID | IDN | 360 |
| Iran | 98 | IR | IRN | 364 |
| Iraq | 964 | IQ | IRQ | 368 |
| Ireland | 353 | IE | IRL | 372 |
| Isle of Man | 44-1624 | IM | IMN | 833 |
| Israel | 972 | IL | ISR | 376 |
| Italy | 39 | IT | ITA | 380 |
| Jamaica | 1-876 | JM | JAM | 388 |
| Japan | 81 | JP | JPN | 392 |
| Jersey | 44-1534 | JE | JEY | 832 |
| Jordan | 962 | JO | JOR | 400 |
| Kazakhstan | 7 | KZ | KAZ | 398 |
| Kenya | 254 | KE | KEN | 404 |
| Kiribati | 686 | KI | KIR | 296 |
| 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 |
| Macao | 853 | MO | MAC | 446 |
| 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 |
| Mauritania | 222 | MR | MRT | 478 |
| Mauritius | 230 | MU | MUS | 480 |
| Mayotte | 262 | YT | MYT | 175 |
| Mexico | 52 | MX | MEX | 484 |
| Micronesia | 691 | FM | FSM | 583 |
| Moldova | 373 | MD | MDA | 498 |
| Monaco | 377 | MC | MCO | 492 |
| Mongolia | 976 | MN | MNG | 496 |
| Montenegro | 382 | ME | MNE | 499 |
| Montserrat | 1-664 | MS | MSR | 500 |
| Morocco | 212 | MA | MAR | 504 |
| Mozambique | 258 | MZ | MOZ | 508 |
| Myanmar | 95 | MM | MMR | 104 |
| Namibia | 264 | NA | NAM | 516 |
| Nauru | 674 | NR | NRU | 520 |
| Nepal | 977 | NP | NPL | 524 |
| Netherlands | 31 | NL | NLD | 528 |
| 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 |
| North Korea | 850 | KP | PRK | 408 |
| North Macedonia | 389 | MK | MKD | 807 |
| 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 |
| 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 |
| Pitcairn Islands | 64 | 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 |
| Saint Barthelemy | 590 | BL | BLM | 652 |
| Saint Helena | 290 | SH | SHN | 654 |
| Saint Kitts & Nevis | 1-869 | KN | KNA | 659 |
| Saint Lucia | 1-758 | LC | LCA | 662 |
| Saint Martin | 590 | MF | MAF | 663 |
| Saint Pierre & Miquelon | 508 | PM | SPM | 666 |
| Samoa | 685 | WS | WSM | 882 |
| San Marino | 378 | SM | SMR | 674 |
| Sao Tome & Principe | 239 | ST | STP | 678 |
| Saudi Arabia | 966 | SA | SAU | 682 |
| Senegal | 221 | SN | SEN | 686 |
| Serbia | 381 | RS | SRB | 688 |
| Seychelles | 248 | SC | SYC | 690 |
| Sierra Leone | 232 | SL | SLE | 694 |
| Singapore | 65 | SG | SGP | 702 |
| Sint Maarten | 1-721 | SX | SXM | 534 |
| 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 Korea | 82 | KR | KOR | 410 |
| South Sudan | 211 | SS | SSD | 728 |
| Spain | 34 | ES | ESP | 724 |
| Sri Lanka | 94 | LK | LKA | 144 |
| St. Vincent & Grenadines | 1-784 | VC | VCT | 670 |
| State of Palestine | 970 | PS | PSE | 275 |
| Sudan | 249 | SD | SDN | 729 |
| Suriname | 597 | SR | SUR | 740 |
| Svalbard and Jan Mayen | 47 | SJ | SJM | 744 |
| Sweden | 46 | SE | SWE | 752 |
| Switzerland | 41 | CH | CHE | 756 |
| Syria | 963 | SY | SYR | 760 |
| Taiwan | 886 | TW | TWN | 158 |
| Tajikistan | 992 | TJ | TJK | 762 |
| Tanzania | 255 | TZ | TZA | 834 |
| Thailand | 66 | TH | THA | 764 |
| Timor-Leste | 670 | TL | TLS | 626 |
| 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 | 1-649 | TC | TCA | 796 |
| Tuvalu | 688 | TV | TUV | 798 |
| U.S. Virgin Islands | 1-340 | VI | VIR | 850 |
| 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 | 1 | US | USA | 840 |
| Uruguay | 598 | UY | URY | 858 |
| Uzbekistan | 998 | UZ | UZB | 860 |
| Vanuatu | 678 | VU | VUT | 548 |
| Venezuela | 58 | VE | VEN | 862 |
| Vietnam | 84 | VN | VNM | 704 |
| Wallis & Futuna | 681 | WF | WLF | 876 |
| Western Sahara | 212 | EH | ESH | 732 |
| Yemen | 967 | YE | YEM | 887 |
| Zambia | 260 | ZM | ZMB | 894 |
| Zimbabwe | 263 | ZW | ZWE | 716 |