US and Canada Area Codes and States


So I compiled a list of the area codes in US and Canada and their appropriate mappings to states. I have to do this because my Rails program must geocode based on a caller’s information: first it tries zip code, if that’s not present, then state, and finally it looks up the area code of the caller and maps the state and then sends the state to google for geocoding.

So I compiled the list into a nice CSV file (so you can load into your db with FasterCSV) from

You can download my CSV file here.


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