Zone 1 – North American Numbering Plan Area
Areas within NANPA (North American Numbering Plan Area) are assigned area codes as if they were all areas within one country. The codes below in format +1 XXX represent area code XXX within the +1 NANPA zone — not a separate country code.
The North American Numbering Plan Area includes:
- +1
Canada
- +1
United States of America, including U.S. territories:
- +1 Many, but not all, Caribbean nations:
- +1 264
Anguilla
- +1 268
Antigua and Barbuda
- +1 242
Bahamas
- +1 246
Barbados
- +1 441
Bermuda
- +1 284
British Virgin Islands
- +1 345
Cayman Islands
- +1 767
Dominica
- +1 809, +1 829 and +1 849
Dominican Republic
- +1 473
Grenada
- +1 876
Jamaica
- +1 664
Montserrat
- +1 869
Saint Kitts and Nevis
- +1 758
Saint Lucia
- +1 784
Saint Vincent and the Grenadines
- +1 868
Trinidad and Tobago
- +1 649
Turks and Caicos Islands
- +1 721
Sint Maarten (Originally intended to be as of May 31, 2010,[1] but now delayed to an indefinite future date.[2])
- +1 721
- +1 264