640 Area Code Phone Directory

Information for Area Code 640

State: IA
Largest City in Area: CEDAR RAPIDS

Where is Area Code 640?

Area code (640) is in the state of IA. Below, are the major cities in the area code (640).

Major Cities in 640

CEDAR RAPIDS, IA (43)
NEW YORK, NY (42)
DES MOINES, IA (39)
BRONX, NY (32)
LOUISVILLE, KY (30)
DAVENPORT, IA (26)
BROOKLYN, NY (23)
PHILADELPHIA, PA (23)
WICHITA FALLS, TX (22)
AMES, IA (19)

Zip Codes in 640