Area Code:

312777

State Area Code:

312

City Prefix:

777

City:

CHICAGO

State:

Illinois

Zipcode:

60603, 60604, 60605

County (FIPS Code):

COOK ( 17031 )

Country:

United States of America

Carrier:

TELEPORT COMMUNICATIONS AMERIC

Latitude & Longitude:

41.8736 -87.6373

Type of Service:

Land Line

Time Zone:

Central

Businesses in Prefix:

4