Area Code 217-577 located in QUINCY, ADAMS, IL, more detail is as below. Place NPA (Numbering Plan Area) : 217 NXX (Local Number Prefix) : 577 City : QUINCY County : ADAMS State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 2005-03-27 FIPS (Federal Information Processing Standards) : 17001 LATA (Local Access Transport Area) : 376 Rate Center : QUINCY ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 62305 Other Information NPANXX : 217577 County Population : 0 Switch CLLI (Common Language Location Identifier) : QNCYILQYW13 MSA CBSA (Core Based Statistical Area) : Quincy, IL-MO MSA CBSA Code (Core Based Statistical Area) : 39500 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : BITWISE COMMUNICATIONS, INC. - IL OCN (Operating Company Number) : 5800 Coverage Area Name : QUINCY Latitude : 39.9325 Longitude : -91.4026 ‹ previous : 217-576 next › : 217-578 Telephone Number List 217-577-0000 ~ 217-577-9999