274 US & Canadian area codes — find time zone, location, and DST status
Search for any US or Canadian area code on this page to find its time zone, UTC offset, and DST status. We cover 274 area codes across North America.
Not always. Some states span multiple time zones. For example, Indiana has area codes in both Eastern and Central time. Texas has area codes in both Central and Mountain time (El Paso uses MST).
An area code is a 3-digit prefix assigned by the North American Numbering Plan Administration (NANPA) to geographic regions in the US, Canada, and Caribbean territories. Area codes identify where a phone number was originally assigned.