| Country | Overseas Codes | Hours difference from EST (1) |
|---|---|---|
| Afghanistan | 93 | +9 1/2 |
| Albania | 355 | +6 |
| Algeria | 213 | +6 |
| Andorra | 376 | +6 |
| Angola | 244 | +6 |
| Anguilla | 1 809 | +1 |
| Antarctic Aus Territory | 672 | +9 1/2 +15 |
| Antigua and Barbuda | 1 809 | +1 |
| Antilles | 599 | +1 |
| Argentina | 54 | +2 |
| Armenia | 374 | +9 |
| Aruba | 297 | +1 |
| Ascension Island | 247 | +5 |
| Australia | 61 | +15 |
| Austria | 43 | +6 |
| Azerbaijan | 994 | +6 |
| Azores | 351 | +4 |
| Bahamas | 1809 | 0 |
| Bahrain | 973 | +8 |
| Bangladesh | 880 | +11 |
| Barbados | 809 | +1 |
| Belarus | 375 | +7 |
| Belgium | 32 | +6 |
| Belize | 501 | -1 |
| Benin | 229 | +6 |
| Bermuda | 1 809 | +1 |
| Bhutan | 975 | +11 |
| Bolivia | 591 | +1 |
| Bosnia Herzegovina | 387 | +6 |
| Botswana | 267 | +7 |
| Brazil | 55 | +2 |
| Brunei Darussalam | 673 | +13 |
| Bulgaria | 359 | +7 |
| Bukina Faso | 226 | +5 |
| Burundi | 257 | +7 |
| Cambodia | 855 | +12 |
| Cameroon | 237 | +6 |
| Canada | 1 | +1 1/2 -3 |
| Cape Verde Islands | 238 | +4 |
| Cayman Islands | 1 809 | 0 |
| Central African Republic | 236 | +6 |
| Chad | 235 | +6 |
| Chile | 56 | +1 |
| China | 86 | +13 |
| Christmas Island | 61 | +12 |
| Cocos Island | 61 | +11 1/2 |
| Columbia | 57 | 0 |
| Comoros | 269 | +8 |
| Congo | 242 | +6 |
| Congo (Democratic Rep.) Ex-Zaire | 243 | +6 |
| Cook Islands | 682 | +15 1/2 |
| Costa Rica | 506 | -1 |
| Croatia | 385 | +6 |
| Cuba | 53 | 0 |
| Cyprus | 357 | +7 |
| Czech Republic | 420 | +6 |
| Denmark | 45 | +6 |
| Djibouti | 253 | +8 |
| Dominica | 1 809 | +1 |
| Dominican Republic | 1 809 | +1 |
| Ecuador | 593 | 0 |
| Egypt | 20 | +7 |
| El Salvador | 503 | -1 |
| Equatorial Guinea | 240 | +6 |
| Eritrea | 291 | +8 |
| Estonia | 372 | +7 |
| Ethiopia | 251 | +8 |
| Falkland Islands | 500 | +1 |
| Faroe Islands | 298 | +5 |
| Fiji | 679 | +17 |
| Finland | 358 | +7 |
| France | 33 | +6 |
| French Guiana | 594 | +2 |
| French Polynesia | 689 | +15 |
| Gabon | 241 | +6 |
| Gambia | 220 | +5 |
| Georgia | 7 & 995 | +9 |
| Germany | 49 | +6 |
| Ghana | 233 | +5 |
| Gibraltar | 350 | +6 |
| Greece | 30 | +7 |
| Greenland | 299 | +2 |
| Grenada | 1 809 | +1 |
| Guadeloupe | 590 | +1 |
| Guam | 671 | -5 |
| Guatemala | 502 | -1 |
| Guinea | 224 | +5 |
| Guinea - Bissau | 245 | +5 |
| Guyana | 592 | +2 |
| Haiti | 509 | 0 |
| Honduras | 504 | -1 |
| Hong Kong | 852 | +13 |
| Hungary | 36 | +6 |
| Iceland | 354 | +5 |
| India | 91 | +10 1/2 |
| Indonesia | 62 | +12 |
| Iran | 98 | +8 1/2 |
| Iraq | 964 | +8 |
| Ireland Republic of | 353 | +5 |
| Israel | 972 | +7 |
| Italy | 39 | +6 |
| Ivory Coast | 225 | +5 |
| Jamaica | 1 809 | 0 |
| Japan | 81 | +14 |
| Jordan | 962 | +7 |
| Kazakhstan | 7 | +10 |
| Kenya | 254 | +8 |
| Kirghizstan | 7 | +8 |
| Kiribati | 686 | +17 |
| Korea (North) | 850 | +14 |
| Korea (South) | 82 | +14 |
| Kuwait | 965 | +8 |
| Laos | 856 | +12 |
| Latvia | 371 | +7 |
| Lebanon | 961 | +7 |
| Lesotho | 266 | +7 |
| Liberia | 231 | +5 |
| Lybia | 218 | +6 |
| Lichtenstein | 41 75 | +6 |
| Lithuania | 370 | +7 |
| Luxembourg | 352 | +6 |
| Macao | 853 | +13 |
| Macedonia | 389 | +6 |
| Madagascar | 261 | +8 |
| Malawi | 265 | +7 |
| Malaysia | 60 | +13 |
| Maldives | 960 | +10 |
| Mali | 223 | +5 |
| Malta | 356 | +6 |
| Marshall Islands | 692 | +17 |
| Martinique | 596 | +1 |
| Mauritania | 222 | +5 |
| Mauritius | 230 | +9 |
| Mayotte | 269 | +8 |
| Mexico | 52 | -1 |
| Micronesia | 691 | +16 |
| Moldovia | 373 | +7 |
| Monaco | 377 | +6 |
| Mongolia | 976 | +13 |
| Montserrat | 1 809 | +1 |
| Morocco | 212 | +5 |
| Mozambique | 258 | +7 |
| Myanmar (Burma) | 95 | +11 1/2 |
| Namibia | 264 | +7 |
| Nauru | 674 | -7 |
| Napal | 977 | +10 3/4 |
| Netherlands (Holland) | 31 | +6 |
| Netherlands Antilles | 599 | +1 |
| New Caledonia | 687 | +16 |
| New Zealand | 64 | +18 |
| Nicaragua | 505 | -1 |
| Niger | 227 | +6 |
| Nigeria | 234 | +6 |
| Norway | 47 | +6 |
| Oman | 968 | +9 |
| Pakistan | 92 | +10 |
| Panama | 507 | 0 |
| Papua New Guinea | 675 | +15 |
| Paraguay | 595 | +1 |
| Peru | 51 | 0 |
| Philippines | 63 | +13 |
| Pitcairn Island | 649 | -3 1/2 |
| Poland | 48 | +6 |
| Portugal | 351 | +6 |
| Puerto Rico | 1 809 | +1 |
| Qatar | 974 | +8 |
| Reunion Island | 262 | |
| Romania | 40 | +7 |
| Russia | 7 | +7 1/2 +15 |
| Rwanda | 250 | +7 |
| St Helena | 290 | +5 |
| St Kitts and Nevis | 1 809 | +1 |
| Samoa (USA) | 685 | -6 |
| Samoa Western | 685 | -6 |
| San Marino | 378 | +6 |
| Saudi Arabia | 966 | +8 |
| Senegal | 221 | +5 |
| Seychelles | 248 | +9 |
| Sierra Leone | 232 | +5 |
| Singapore | 65 | +13 |
| Slovakia | 421 | +6 |
| Slovenia | 386 | +6 |
| Solom Islands | 677 | -6 |
| Somalia | 252 | +8 |
| South Africa | 27 | +7 |
| Spain | 34 | +6 |
| Sri Lanka | 94 | +10 1/2 |
| Sudan | 249 | +7 |
| Surinam | 597 | +8 |
| Swaziland | 268 | +7 |
| Sweden | 46 | +6 |
| Switzerland | 41 | +6 |
| Syria | 963 | +7 |
| Taiwan | 886 | +13 |
| Tajikistan | 7 | +10 |
| Tanzania | 255 | +8 |
| Thailand | 66 | +12 |
| Togo | 228 | +5 |
| Tongo | 676 | -8 |
| Trinidad & Tobago | 1 809 | +1 |
| Tunisia | 216 | +6 |
| Turkey | 90 | +7 |
| Turkmenistan | 993 | +10 |
| Turks & Caicos | 1 809 | 0 |
| Tuvalu | 688 | -7 |
| Uganda | 256 | +8 |
| Ukraine | 380 | +7 |
| United Arab Emirates | 971 | +9 |
| United Kingdom | 44 | +5 |
| Uraguay | 598 | +2 |
| USA | 1 | 0 -6 |
| Uzbekistan | 7 | +10 |
| Vanuatu | 678 | -6 |
| Vatican City | 39 | +6 |
| Venezuela | 58 | +1 |
| Vietnam | 84 | +12 |
| Virgin Islands (UK) | 1 809 49 | +1 |
| Virgin Islands (US) | 1 809 | +1 |
| Yemen | 967 | +8 |
| Yugoslavia | 381 | +6 |
| Zambia | 260 | +7 |
| Zimbabwe | 263 | +7 |