Area Code 773-279 located in CHICAGO, COOK, IL, more detail is as below. Place NPA (Numbering Plan Area) : 773 NXX (Local Number Prefix) : 279 City : CHICAGO County : COOK State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1996-10-15 FIPS (Federal Information Processing Standards) : 17031 LATA (Local Access Transport Area) : 358 Rate Center : CHICGOZN02 ZIP Code Count : 26 ZIP Code Frequency : 2 ZIP Code : 60646 Other Information NPANXX : 773279 Switch CLLI (Common Language Location Identifier) : CHCGILIRDS0 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 : AMERITECH ILLINOIS OCN (Operating Company Number) : 9329 Coverage Area Name : CHICAGO Latitude : 41.9552 Longitude : -87.7103 ‹ previous : 773-279 next › : 773-279 Telephone Number List 773-279-0000 ~ 773-279-9999
