319 Area Code
Area code 319 is one of the original 86 area codes created by AT&T and the Bell System in 1947. It originally served the eastern third of Iowa. In 2001, area code 319 was split, and some of the phone numbers had to be updated to area code 563 on that date. Currently, the largest city it serves is Cedar Rapids, IA, and it overlaps coverage areas with area code .