North American Numbering Plan

The North American Numbering Plan (NANP) is a telephone numbering plan that encompasses 25 distinct regions in twenty countries primarily in North America, including the Caribbean and the U.S. territories. Not all North American countries participate in the NANP.

Source: Wikipedia

Country International Calling Code
American Samoa more info +1 XXX-XXX-XXXX
Anguilla more info +1 XXX-XXX-XXXX
Antigua and Barbuda more info +1 XXX-XXX-XXXX
Bahamas more info +1 XXX-XXX-XXXX
Barbados more info +1 XXX-XXX-XXXX
Bermuda more info +1 XXX-XXX-XXXX
British Virgin Islands more info +1 XXX-XXX-XXXX
Canada more info +1 XXX-XXX-XXXX
Cayman Islands more info +1 XXX-XXX-XXXX
Dominica more info +1 XXX-XXX-XXXX
Dominican Republic more info +1 XXX-XXX-XXXX
Grenada more info +1 XXX-XXX-XXXX
Guam more info +1 XXX-XXX-XXXX
Jamaica more info +1 XXX-XXX-XXXX
Montserrat more info +1 XXX-XXX-XXXX
Northern Mariana Islands more info +1 XXX-XXX-XXXX
Puerto Rico more info +1 XXX-XXX-XXXX
Saint Kitts and Nevis more info +1 XXX-XXX-XXXX
Saint Lucia more info +1 XXX-XXX-XXXX
Saint Vincent and Grenadines more info +1 XXX-XXX-XXXX
Sint Maarten more info +1 XXX-XXX-XXXX
Trinidad and Tobago more info +1 XXX-XXX-XXXX
Turks and Caicos Islands more info +1 XXX-XXX-XXXX
United States more info +1 XXX-XXX-XXXX
United States Virgin Islands more info +1 XXX-XXX-XXXX