Area Code 847-277 located in ALGONQUIN, MCHENRY, IL, more detail is as below. Place NPA (Numbering Plan Area) : 847 NXX (Local Number Prefix) : 277 City : ALGONQUIN County : MCHENRY State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 17111 LATA (Local Access Transport Area) : 358 Rate Center : BARRINGTON ZIP Code Count : 21 ZIP Code Frequency : 2 ZIP Code : 60102 Other Information NPANXX : 847277 Switch CLLI (Common Language Location Identifier) : BNTOILBADS0 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 : BARRINGTON Latitude : 42.1539 Longitude : -88.1340 ‹ previous : 847-276 next › : 847-277 Telephone Number List 847-277-0000 ~ 847-277-9999