Area codes in the US and Canada
The North American Numbering Plan has 454 geographic area codes in service across the US, its territories, Canada and 18 Caribbean and Atlantic countries. Pick a code below for its location, time zone, overlays, main rate centers and how to dial it, or look up a list of numbers at once.
United States
US territories
Canada
Caribbean and Atlantic
Non-geographic codes: toll-free, premium and 5XX
These codes are not places. Each page has NANPA’s service, in-service date and how a validator reads it.
From the NANPA NPA database, file dated 10/16/2026. To check whether a number is toll-free, use the toll-free number checker.