This article lists area codes that are outside of continental USA and provincial Canada but are still part of the North American Numbering Plan (NANPA)
Canadian Territories
867 - Yukon, Northwest, Nunavut
USA Non Continental
808 - Hawaii
907 - Alaska
Caribbean Islands
Anguilla 264
Antigua and Barbuda 268
The Bahamas 242
Barbados 246
Bermuda 441
The British Virgin Islands 284
The Cayman Islands 345
The Commonwealth of Dominica 767
The Dominican Republic 809, 829, 849
Grenada 473
Jamaica 876
Montserrat 664
Puerto Rico 787, 939
Saint Kitts and Nevis 869
Saint Lucia 758
Saint Vincent and the Grenadines 784
Sint Maarten 721
Trinidad and Tobago 868
The Turks and Caicos Islands 649
The U.S. Virgin Islands 340
Other
670 Commonwealth of the Northern Mariana Islands
671 Guam
684 American Samoa
For Simplicity we have made a list of only the codes with country code below so that you may copy paste into your PBX or upload where required.
1867
1808
1907
1264
1268
1242
1246
1441
1284
1345
1767
1809
1829
1849
1473
1876
1664
1787
1939
1869
1758
1784
1721
1868
1649
1340
1670
1671
1684