638 Area Code Phone Directory

Information for Area Code 638

State: AE
Largest City in Area: APO

Where is Area Code 638?

Area code (638) is in the state of AE. Below, are the major cities in the area code (638).

Major Cities in 638

APO, AE (109)
CEDAR RAPIDS, IA (92)
DES MOINES, IA (88)
DAVENPORT, IA (79)
DUBUQUE, IA (79)
IOWA CITY, IA (56)
MILWAUKEE, WI (56)
AMES, IA (53)
WEST DES MOINES, IA (53)
CHICAGO, IL (51)

Zip Codes in 638