643 Area Code Information
State: IL
Largest City in Area: CHICAGO
Where is Area Code 643? Area code (643) is in the state of IL. Below, are the major cities in the area code (643).
Major Cities in 643
- CHICAGO, IL (130)
- HOUSTON, TX (123)
- BROOKLYN, NY (93)
- ATLANTA, GA (82)
- PHOENIX, AZ (80)
- LAS VEGAS, NV (71)
- NEW YORK, NY (71)
- DALLAS, TX (68)
- LOS ANGELES, CA (67)
- SAN ANTONIO, TX (65)
Zip Codes in 643