| Country | ISO CC | R G | Country Code | Int. prfx | Trunk prfx |
|---|---|---|---|---|---|
| Afghanistan | AF | 9 | 93 | 00 | 0 |
| Åland Islands | AX | 3 | 358 | 00 | 0 |
| Albania | AL | 3 | 355 | 00 | 0 |
| Algeria | DZ | 2 | 213 | 00 | 0 |
| American Samoa | AS | 1 | 1 | 011 | 1 |
| Andorra | AD | 3 | 376 | 00 | |
| Angola | AO | 2 | 244 | 00 | 0 |
| Anguilla | AI | 1 | 1 | 011 | 1 |
| Antarctica | AQ | 6 | 672 | 00 | 0 |
| Antigua and Barbuda | AG | 1 | 1 | 011 | 1 |
| Argentina | AR | 5 | 54 | 00 | 0 |
| Armenia | AM | 3 | 374 | 00 | 0 |
| Aruba | AW | 2 | 297 | 00 | 0 |
| Ascension Island | AC | 2 | 247 | 00 | 0 |
| Australia | AU | 6 | 61 | 0011 | 0 |
| Austria | AT | 4 | 43 | 00 | 0 |
| Azerbaijan | AZ | 9 | 994 | 00 | 8 |
| Bahamas | BS | 1 | 1 | 011 | 1 |
| Bahrain | BH | 9 | 973 | 00 | 0 |
| Bangladesh | BD | 8 | 880 | 00 | 0 |
| Barbados | BB | 1 | 1 | 011 | 1 |
| Belarus | BY | 3 | 375 | 810 | 8 |
| Belgium | BE | 3 | 32 | 00 | 0 |
| Belize | BZ | 5 | 501 | 00 | 0 |
| Benin | BJ | 2 | 229 | 00 | 0 |
| Bermuda | BM | 1 | 1 | 011 | 1 |
| Bhutan | BT | 9 | 975 | 00 | 0 |
| Bolivia | BO | 5 | 591 | 00 | 0 |
| Bonaire | BQ | 5 | 5997 | 00 | 0 |
| Bosnia and Herzegovina | BA | 3 | 387 | 00 | 0 |
| Botswana | BW | 2 | 267 | 00 | 0 |
| Bouvet Island | BV | 4 | 47 | 00 | 0 |
| Brazil | BR | 5 | 55 | 00 | 0 |
| British Indian Ocean Territory | IO | 2 | 246 | 00 | 0 |
| British Virgin Islands | VG | 1 | 1 | 011 | 1 |
| Brunei Darussalam | BN | 6 | 673 | 00 | 0 |
| Bulgaria | BG | 3 | 359 | 00 | 0 |
| Burkina Faso | BF | 2 | 226 | 00 | 0 |
| Burundi | BI | 2 | 257 | 00 | 0 |
| Cabo Verde | CV | 2 | 238 | 00 | 0 |
| Cambodia | KH | 8 | 855 | 00 | 0 |
| Cameroon | CM | 2 | 237 | 00 | 0 |
| Canada | CA | 1 | 1 | 011 | 1 |
| Cayman Islands | KY | 1 | 1 | 011 | 1 |
| Central African Republic | CF | 2 | 236 | 00 | 0 |
| Chad | TD | 2 | 235 | 00 | 0 |
| Chile | CL | 5 | 56 | 00 | |
| China | CN | 8 | 86 | 00 | 0 |
| Christmas Island | CX | 6 | 61 | 00 | 0 |
| Cocos (Keeling) Islands | CC | 6 | 61 | 00 | 0 |
| Colombia | CO | 5 | 57 | 00 | 0 |
| Comoros | KM | 2 | 269 | 00 | 0 |
| Congo | CG | 2 | 242 | 00 | 0 |
| Cook Islands | CK | 6 | 682 | 00 | 0 |
| Costa Rica | CR | 5 | 506 | 00 | 0 |
| Croatia | HR | 3 | 385 | 00 | 0 |
| Cuba | CU | 5 | 53 | 119 | 0 |
| Cyprus | CY | 3 | 357 | 00 | |
| Czechia | CZ | 4 | 420 | 00 | |
| Denmark | DK | 4 | 45 | 00 | |
| Djibouti | DJ | 2 | 253 | 00 | 0 |
| Dominica | DM | 1 | 1 | 011 | 1 |
| Dominican Republic | DO | 1 | 1 | 011 | 1 |
| DR Congo | CD | 2 | 243 | 00 | 0 |
| Dutch Antilles | CW | 5 | 5999 | 00 | 0 |
| Ecuador | EC | 5 | 593 | 00 | 0 |
| Egypt | EG | 2 | 20 | 00 | 0 |
| El Salvador | SV | 5 | 503 | 00 | 0 |
| Equatorial Guinea | GQ | 2 | 240 | 00 | 0 |
| Eritrea | ER | 2 | 291 | 00 | 0 |
| Estonia | EE | 3 | 372 | 00 | |
| Eswatini | SZ | 2 | 268 | 00 | 0 |
| Ethiopia | ET | 2 | 251 | 00 | 0 |
| Falkland Islands | FK | 5 | 500 | 00 | 0 |
| Faroe Islands | FO | 2 | 298 | 00 | |
| Fiji | FJ | 6 | 679 | 00 | 0 |
| Finland | FI | 3 | 358 | 00 | 0 |
| France | FR | 3 | 33 | 00 | 0 |
| French Guiana | GF | 5 | 594 | 00 | 0 |
| French Polynesia | PF | 6 | 689 | 00 | 0 |
| French Southern Territories | TF | 2 | 262 | 00 | 0 |
| Gabon | GA | 2 | 241 | 00 | 0 |
| Gambia | GM | 2 | 220 | 00 | 0 |
| Georgia | GE | 9 | 995 | 00 | 0 |
| Germany | DE | 4 | 49 | 00 | 0 |
| Ghana | GH | 2 | 233 | 00 | 0 |
| Gibraltar | GI | 3 | 350 | 00 | |
| Greece | GR | 3 | 30 | 00 | |
| Greenland | GL | 2 | 299 | 00 | 0 |
| Grenada | GD | 1 | 1 | 011 | 1 |
| Guadeloupe | GP | 5 | 590 | 00 | 0 |
| Guam | GU | 1 | 1 | 011 | 1 |
| Guatemala | GT | 5 | 502 | 00 | 0 |
| Guernsey | GG | 4 | 44 | 00 | 0 |
| Guinea | GN | 2 | 224 | 00 | 0 |
| Guinea-Bissau | GW | 2 | 245 | 00 | 0 |
| Guyana | GY | 5 | 592 | 001 | 0 |
| Haiti | HT | 5 | 509 | 00 | 0 |
| Heard Island and McDonald Islands | HM | 6 | 672 | 00 | 0 |
| Honduras | HN | 5 | 504 | 00 | 0 |
| Hong Kong | HK | 8 | 852 | 001 | 0 |
| Hungary | HU | 3 | 36 | 00 | 06 |
| Iceland | IS | 3 | 354 | 00 | |
| India | IN | 9 | 91 | 00 | 0 |
| Indonesia | ID | 6 | 62 | 00 | 0 |
| Iran | IR | 9 | 98 | 00 | 0 |
| Iraq | IQ | 9 | 964 | 00 | 0 |
| Ireland | IE | 3 | 353 | 00 | 0 |
| Isle of Man | IM | 4 | 44 | 00 | 0 |
| Israel | IL | 9 | 972 | 00 | 0 |
| Italy | IT | 3 | 39 | 00 | |
| Ivory Coast | CI | 2 | 225 | 00 | 0 |
| Jamaica | JM | 1 | 1 | 011 | 1 |
| Japan | JP | 8 | 81 | 010 | 0 |
| Jersey | JE | 4 | 44 | 00 | 0 |
| Jordan | JO | 9 | 962 | 00 | 0 |
| Kazakhstan | KZ | 9 | 997 | 810 | 8 |
| Kenya | KE | 2 | 254 | 000 | 0 |
| Kiribati | KI | 6 | 686 | 00 | 0 |
| Kosovo | XK | 3 | 383 | 00 | 0 |
| Kuwait | KW | 9 | 965 | 00 | 0 |
| Kyrgyzstan | KG | 9 | 996 | 00 | 0 |
| Laos | LA | 8 | 856 | 00 | 0 |
| Latvia | LV | 3 | 371 | 00 | |
| Lebanon | LB | 9 | 961 | 00 | 0 |
| Lesotho | LS | 2 | 266 | 00 | 0 |
| Liberia | LR | 2 | 231 | 00 | 0 |
| Libya | LY | 2 | 218 | 00 | 0 |
| Liechtenstein | LI | 4 | 423 | 00 | |
| Lithuania | LT | 3 | 370 | 00 | 8 |
| Luxembourg | LU | 3 | 352 | 00 | |
| Macao | MO | 8 | 853 | 00 | 0 |
| Madagascar | MG | 2 | 261 | 00 | 0 |
| Malawi | MW | 2 | 265 | 00 | 0 |
| Malaysia | MY | 6 | 60 | 00 | 0 |
| Maldives | MV | 9 | 960 | 00 | 0 |
| Mali | ML | 2 | 223 | 00 | 0 |
| Malta | MT | 3 | 356 | 00 | |
| Marshall Islands | MH | 6 | 692 | 00 | 0 |
| Martinique | MQ | 5 | 596 | 00 | 0 |
| Mauritania | MR | 2 | 222 | 00 | 0 |
| Mauritius | MU | 2 | 230 | 00 | 0 |
| Mayotte | YT | 2 | 262 | 00 | 0 |
| Mexico | MX | 5 | 52 | 00 | 01 |
| Micronesia | FM | 6 | 691 | 011 | 0 |
| Moldova | MD | 3 | 373 | 00 | 0 |
| Monaco | MC | 3 | 377 | 00 | |
| Mongolia | MN | 9 | 976 | 001 | 01 |
| Montenegro | ME | 3 | 382 | 00 | 0 |
| Montserrat | MS | 1 | 1 | 011 | 1 |
| Morocco | MA | 2 | 212 | 00 | 0 |
| Mozambique | MZ | 2 | 258 | 00 | 0 |
| Myanmar | MM | 9 | 95 | 00 | 0 |
| Namibia | NA | 2 | 264 | 00 | 0 |
| Nauru | NR | 6 | 674 | 00 | 0 |
| Nepal | NP | 9 | 977 | 00 | 0 |
| Netherlands | NL | 3 | 31 | 00 | 0 |
| New Caledonia | NC | 6 | 687 | 00 | 0 |
| New Zealand | NZ | 6 | 64 | 00 | 0 |
| Nicaragua | NI | 5 | 505 | 00 | 0 |
| Niger | NE | 2 | 227 | 00 | 0 |
| Nigeria | NG | 2 | 234 | 009 | 0 |
| Niue | NU | 6 | 683 | 00 | 0 |
| Norfolk Island | NF | 6 | 672 | 00 | 0 |
| Northern Mariana Islands | MP | 1 | 1 | 011 | 1 |
| North Korea | KP | 8 | 850 | 00 | 0 |
| North Macedonia | MK | 3 | 389 | 00 | 0 |
| Norway | NO | 4 | 47 | 00 | |
| Oman | OM | 9 | 968 | 00 | |
| Pakistan | PK | 9 | 92 | 00 | 0 |
| Palau | PW | 6 | 680 | 011 | 0 |
| Palestine | PS | 9 | 970 | 00 | 0 |
| Panama | PA | 5 | 507 | 00 | 0 |
| Papua New Guinea | PG | 6 | 675 | 00 | 0 |
| Paraguay | PY | 5 | 595 | 00 | 0 |
| Peru | PE | 5 | 51 | 00 | 0 |
| Philippines | PH | 6 | 63 | 00 | 0 |
| Pitcairn | PN | 6 | 64 | 00 | 0 |
| Poland | PL | 4 | 48 | 00 | |
| Portugal | PT | 3 | 351 | 00 | |
| Puerto Rico | PR | 1 | 1 | 011 | 1 |
| Qatar | QA | 9 | 974 | 00 | 0 |
| Réunion | RE | 2 | 262 | 00 | 0 |
| Romania | RO | 4 | 40 | 00 | 0 |
| Russian Federation | RU | 7 | 7 | 810 | 8 |
| Rwanda | RW | 2 | 250 | 00 | 0 |
| Saba | BQ | 5 | 5994 | 00 | 0 |
| Saint Barthélemy | BL | 5 | 590 | 00 | 0 |
| Saint Kitts and Nevis | KN | 1 | 1 | 011 | 1 |
| Saint Lucia | LC | 1 | 1 | 011 | 1 |
| Saint Martin (French part) | MF | 5 | 590 | 00 | 0 |
| Saint Pierre and Miquelon | PM | 5 | 508 | 00 | 0 |
| Saint Vincent and the Grenadines | VC | 1 | 1 | 011 | 1 |
| Samoa | WS | 6 | 685 | 00 | 0 |
| San Marino | SM | 3 | 378 | 00 | |
| São Tomé and Príncipe | ST | 2 | 239 | 00 | 0 |
| Saudi Arabia | SA | 9 | 966 | 00 | 0 |
| Senegal | SN | 2 | 221 | 00 | 0 |
| Serbia | RS | 3 | 381 | 00 | 0 |
| Seychelles | SC | 2 | 248 | 00 | 0 |
| Sierra Leone | SL | 2 | 232 | 00 | 0 |
| Singapore | SG | 6 | 65 | 000 | |
| Sint Eustatius | BQ | 5 | 5993 | 00 | 0 |
| Sint Maarten (Dutch part) | SX | 1 | 1 | 011 | 1 |
| Slovakia | SK | 4 | 421 | 00 | 0 |
| Slovenia | SI | 3 | 386 | 00 | 0 |
| Solomon Islands | SB | 6 | 677 | 00 | 0 |
| Somalia | SO | 2 | 252 | 00 | 0 |
| South Africa | ZA | 2 | 27 | 00 | 0 |
| South Georgia and the South Sandwich Islands | GS | 5 | 500 | 00 | 0 |
| South Korea | KR | 8 | 82 | 00 | 0 |
| South Sudan | SS | 2 | 211 | 00 | 0 |
| Spain | ES | 3 | 34 | 00 | |
| Sri Lanka | LK | 9 | 94 | 00 | 0 |
| St Helena, Ascension and Tristan da Cunha | SH | 2 | 290 | 00 | 0 |
| Sudan | SD | 2 | 249 | 00 | 0 |
| Suriname | SR | 5 | 597 | 00 | 0 |
| Svalbard and Jan Mayen | SJ | 4 | 47 | 00 | 0 |
| Sweden | SE | 4 | 46 | 00 | 0 |
| Switzerland | CH | 4 | 41 | 00 | 0 |
| Syria | SY | 9 | 963 | 00 | 0 |
| Taiwan | TW | 8 | 886 | 00 | 0 |
| Tajikistan | TJ | 9 | 992 | 810 | 0 |
| Tanzania | TZ | 2 | 255 | 000 | 0 |
| Thailand | TH | 6 | 66 | 00 | 0 |
| Timor-Leste | TL | 6 | 670 | 00 | 0 |
| Togo | TG | 2 | 228 | 00 | 0 |
| Tokelau | TK | 6 | 690 | 00 | 0 |
| Tonga | TO | 6 | 676 | 00 | 0 |
| Trinidad and Tobago | TT | 1 | 1 | 011 | 1 |
| Tristan da Cunha | TA | 2 | 290 | 00 | 0 |
| Tunisia | TN | 2 | 216 | 00 | 0 |
| Türkiye | TR | 9 | 90 | 00 | 0 |
| Turkmenistan | TM | 9 | 993 | 810 | 8 |
| Turks and Caicos Islands | TC | 1 | 1 | 011 | 1 |
| Tuvalu | TV | 6 | 688 | 00 | 0 |
| Uganda | UG | 2 | 256 | 000 | 0 |
| Ukraine | UA | 3 | 380 | 00 | 0 |
| United Arab Emirates | AE | 9 | 971 | 00 | 0 |
| United Kingdom | GB | 4 | 44 | 00 | 0 |
| United States Minor Outlying Islands | UM | 1 | 1 | 011 | 1 |
| United States of America | US | 1 | 1 | 011 | 1 |
| Uruguay | UY | 5 | 598 | 00 | |
| US Virgin Islands | VI | 1 | 1 | 011 | 1 |
| Uzbekistan | UZ | 9 | 998 | 00 | 8 |
| Vanuatu | VU | 6 | 678 | 00 | 0 |
| Vatican City | VA | 3 | 39 | 00 | |
| Venezuela | VE | 5 | 58 | 00 | 0 |
| Vietnam | VN | 8 | 84 | 00 | 0 |
| Wallis and Futuna | WF | 6 | 681 | 00 | 0 |
| Western Sahara | EH | 2 | 212 | 00 | 0 |
| Yemen | YE | 9 | 967 | 00 | 0 |
| Zambia | ZM | 2 | 260 | 00 | 0 |
| Zimbabwe | ZW | 2 | 263 | 00 | 0 |