Browse 383 NANP area codes across the United States and Canada. Click any area code to see cities served, time zone, and tel: link examples.
338 area codes
The North American Numbering Plan (NANP) divides the United States, Canada, and several Caribbean territories into geographic numbering plan areas (NPAs), each identified by a three-digit area code. There are currently over 330 active area codes in the US and more than 30 in Canada.
Each area code page includes the cities and rate centers covered, the IANA time zone, and correctly formatted tel: URI examples for web developers. Use the GeoDial tool to look up time zones and phone number prefixes for any area code.