northern Illinois phone code

Area codes, U.S. area codes, 213 area code, 646 area code, etc., 478 area code, 936 area code, 779 area code, 709 Area Code, 829 Area Code, Edikted Discount Codes, maybank branch code list

779 Area Code – Where Is It and Who Uses It?

Posted on October 12, 2025 by Matthew Daniel

What Is the 779 Area Code? The 779 area code is an overlay code that serves northern Illinois, including cities like Rockford, DeKalb, and Freeport. It shares the same region…