Where is 319 area code? 

319 – Cedar Rapids, IA

What area code is 319

The second largest city of Iowas is located in the east of the state, not far from the border to neighboring Illinois and about 200 kilometers east of the capital of Des Moines.

Cedar Rapids has about 132,000 inhabitants and a fairly high population density. The city got its name from the rapids in the river Cedar, which in turn was named after the cedars on its banks.