Area Code 217-221 located in QUINCY, ADAMS, IL, more detail is as below. Place NPA (Numbering Plan Area) : 217 NXX (Local Number Prefix) : 221 City : QUINCY County : ADAMS State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 17001 LATA (Local Access Transport Area) : 376 Rate Center : QUINCY ZIP Code Count : 75 ZIP Code Frequency : 19 ZIP Code : 62305 Other Information NPANXX : 217221 County Population : 0 Switch CLLI (Common Language Location Identifier) : QNCYILQYDS0 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 : AMERITECH ILLINOIS OCN (Operating Company Number) : 9329 Coverage Area Name : QUINCY Latitude : 39.9345 Longitude : -91.4080 ‹ previous : 217-220 next › : 217-221 Telephone Number List 217-221-0000 ~ 217-221-9999