2. ...
  3. 921 Prefixes

921 Area Code Phone Directory

Phone Prefixes in the 921 Area Code

(921) 2XX (921) 3XX (921) 4XX (921) 5XX (921) 6XX (921) 7XX (921) 8XX (921) 9XX

Information for Area Code 921

State: IL
Largest City in Area: CHICAGO

Where is Area Code 921?

Area code (921) is in the state of IL. Below, are the major cities in the area code (921).

Area Codes Starting with 9

Major Cities in 921

CHICAGO, IL (1,447)
HOUSTON, TX (1,246)
LOS ANGELES, CA (870)
BROOKLYN, NY (826)
PHOENIX, AZ (795)
PHILADELPHIA, PA (748)
DALLAS, TX (740)
LAS VEGAS, NV (737)
ATLANTA, GA (730)
NEW YORK, NY (728)