There are a few destinations that are considered international calling even though they are part of North American Number Plan (NANP).
Here is a list of those destinations and their associated countries:
| Country | State / Province | Dialing Prefix | Geographic |
|---|---|---|---|
| American Samoa | -- | 1684 | Pacific |
| Anguilla | -- | 1264 | Caribbean/Atlantic |
| Antigua and Barbuda | -- | 1268 | Caribbean/Atlantic |
| Bahamas | -- | 1242 | Caribbean/Atlantic |
| Barbados | -- | 1246 | Caribbean/Atlantic |
| Bermuda | -- | 1441 | Caribbean/Atlantic |
| British Virgin Island | -- | 1284 | Caribbean/Atlantic |
| Canada | Northwest Territories | 1867 | Nordic |
| Canada | Nunavut | 1867 | Nordic |
| Canada | Yukon | 1867 | Nordic |
| Cayman Islands | -- | 1345 | Caribbean/Atlantic |
| Dominica | -- | 1767 | Caribbean/Atlantic |
| Dominican Republic | -- | 1809 | Caribbean/Atlantic |
| Dominican Republic | -- | 1829 | Caribbean/Atlantic |
| Dominican Republic | -- | 1849 | Caribbean/Atlantic |
| Grenada | -- | 1473 | Caribbean/Atlantic |
| Guam | -- | 1671 | Pacific |
| Jamaica | -- | 1876 | Caribbean/Atlantic |
| Montserrat | -- | 1664 | Caribbean/Atlantic |
| Northern Mariana Islands | -- | 1670 | Pacific |
| Puerto Rico | -- | 1787 | Caribbean/Atlantic |
| Sint Maarten | -- | 1721 | Caribbean/Atlantic |
| Saint Kitts and Nevis | -- | 1869 | Caribbean/Atlantic |
| Saint Lucia | -- | 1758 | Caribbean/Atlantic |
| Saint Vincent and the Grenadines | -- | 1784 | Caribbean/Atlantic |
| Trinidad and Tobago | -- | 1868 | Caribbean/Atlantic |
| Turks and Caicos Islands | -- | 1649 | Caribbean/Atlantic |
| United States of America | Alaska | 1907 | Nordic |
| United States of America | Hawaii | 1808 | Pacific |
| United States Virgin Islands | -- | 1340 | Caribbean/Atlantic |