556 Area Code Phone Directory

Phone Prefixes in the 556 Area Code

(556) 2XX (556) 3XX (556) 4XX (556) 5XX (556) 6XX (556) 7XX (556) 8XX (556) 9XX

State: IA

Largest City in Area: DES MOINES

Area code (556) is in the state of IA. Below, are the major cities in the area code (556).

DES MOINES, IA (480)

SIOUX CITY, IA (283)

CEDAR RAPIDS, IA (268)

IOWA CITY, IA (246)

DAVENPORT, IA (169)

COUNCIL BLUFFS, IA (153)

AMES, IA (130)

OMAHA, NE (127)

WEST DES MOINES, IA (126)

WATERLOO, IA (115)