Rockford Area Codes, Illinois, Unites States

How to call Rockford, Illinois?

Rockford has 2 area codes. To call Rockford you need to dial the Unites States country code (+1) and one of the following area codes:

779 815

How to know if I'm receiving calls from Rockford, Illinois?

You are receiving calls from Rockford when the phone number starts with one of the following combinations:

1-779 1-815

Other area codes in Unites States