All countries in the Americas use codes that start with "5", with the exception of the countries of the North American Numbering Plan, such as Canada and the United States, which use country code 1, and Greenland and Aruba with country codes starting with the digit "2", which mostly is used by countries in Africa.
| America | Prefix | International access code | Trunk prefix | Comment | |
|---|---|---|---|---|---|
| Anguilla | Caribbean | 1-264 | 011 | 1 | |
| Antigua and Barbuda | Caribbean | 1-268 | 011 | 1 | |
| Argentina | South | 54 | 00 | 0 | |
| Aruba | Caribbean | 297 | 00 | ||
| Bahamas | Caribbean | 1-242 | 011 | 1 | |
| Barbados | Caribbean | 1-246 | 011 | 1 | |
| Belize | Central | 501 | |||
| Bermuda | North | 1-441 | 011 | 1 | |
| Bolivia | South | 591 | 00 | ||
| Brazil | South | 55 | 00 xx | ||
| British Virgin Islands | Caribbean | 1-284 | 011 | 1 | |
| Canada | North | 1 | 011 | 1 | Several NANP codes; see Telephone numbers in Canada. |
| Caribbean Netherlands | Caribbean | 599-3, 4, or 7 | 00 | ||
| Cayman Islands | Caribbean | 1-345 | 011 | 1 | |
| Chile | South | 56 | 00 | ||
| Colombia | South | 57 | 00 | 0 | Trunk followed by 1 or 3 digit carrier code |
| Costa Rica | Central | 506 | 00 | ||
| Cuba | Caribbean | 53 | 00 | ||
| Curaçao | Caribbean | 599-9 | 00 | ||
| Dominica | Caribbean | 1-767 | 011 | 1 | |
| Dominican Republic | Caribbean | 1-809, 829, 849 | 011 | 1 | |
| Ecuador | South | 593 | 00 | ||
| El Salvador | Central | 503 | |||
| Falkland Islands | South | 500 | 00 | ||
| French Guiana | South | 594 | 00 | ||
| Greenland | North | 299 | 00 | ||
| Grenada | Caribbean | 1-473 | 011 | 1 | |
| Guadeloupe | Caribbean | 590 | 00 | ||
| Guatemala | Central | 502 | 00 | ||
| Guyana | South | 592 | 00 | ||
| Haiti | Caribbean | 509 | 00 | ||
| Honduras | Central | 504 | 00 | ||
| Jamaica | Caribbean | 1-658, 876 | 011 | 1 | |
| Martinique | Caribbean | 596 | 00 | ||
| Mexico | North | 52 | 00 | 01 | |
| Montserrat | Caribbean | 1-664 | 011 | 1 | |
| Nicaragua | Central | 505 | 00 | ||
| Panama | Central | 507 | 00 | ||
| Paraguay | South | 595 | 00 | 0 | |
| Peru | South | 51 | 00 | 0 | |
| Puerto Rico | Caribbean | 1-787, 939 | 011 | 1 | |
| Saint Barthélemy | Caribbean | 590 | 00 | ||
| Saint Kitts and Nevis | Caribbean | 1-869 | 011 | 1 | |
| Saint Lucia | Caribbean | 1-758 | 011 | 1 | |
| Collectivity of Saint Martin | Caribbean | 590 | 00 | ||
| Saint Pierre and Miquelon | North | 508 | 00 | ||
| Saint Vincent and the Grenadines | Caribbean | 1-784 | 011 | 1 | |
| Sint Maarten | Caribbean | 1-721 | 011 | 1 | |
| South Georgia and the South Sandwich Islands | South | 500 | 00 | ||
| Suriname | South | 597 | 00 | ||
| Trinidad and Tobago | Caribbean | 1-868 | 011 | 1 | |
| Turks and Caicos Islands | Caribbean | 1-649 | 011 | 1 | |
| United States | North | 1 | 011 | 1 | Several NANP areas; see Telephone numbers in the United States. |
| United States Virgin Islands | Caribbean | 1-340 | 011 | 1 | |
| Uruguay | South | 598 | 00 | No National Call Prefix needed since 29 August 2010 according to the new numbering plan. All geographical numbers have 8 digits. | |
| Venezuela | South | 58 | 00 | 0 |