638 Area Code Phone Directory

Phone Prefixes in the 638 Area Code

(638) 2XX (638) 3XX (638) 4XX (638) 5XX (638) 6XX (638) 7XX (638) 8XX (638) 9XX

State: AE

Largest City in Area: APO

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