Area Code 847-204 located in CHICAGO, COOK, IL, more detail is as below. Place NPA (Numbering Plan Area) : 847 NXX (Local Number Prefix) : 204 City : CHICAGO County : COOK State : IL (Illinois) NXX Use Type : Wireless NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 17031 LATA (Local Access Transport Area) : 358 Rate Center : NORTHBROOK ZIP Code Count : 1 ZIP Code Frequency : 50 ZIP Code : 60646 Other Information NPANXX : 847204 Switch CLLI (Common Language Location Identifier) : NBRKILBGCM0 MSA CBSA (Core Based Statistical Area) : Chicago-Naperville-Joliet, IL-IN-WI MSA CBSA Code (Core Based Statistical Area) : 16980 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL OCN (Operating Company Number) : 6333 Coverage Area Name : NORTHBROOK Latitude : 42.1286 Longitude : -87.8310 ‹ previous : 847-203 next › : 847-204 Telephone Number List 847-204-0000 ~ 847-204-9999