Area Code 217-639 located in CHARLESTON, COLES, IL, more detail is as below. Place NPA (Numbering Plan Area) : 217 NXX (Local Number Prefix) : 639 City : CHARLESTON County : COLES State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1999-05-10 FIPS (Federal Information Processing Standards) : 17029 LATA (Local Access Transport Area) : 976 Rate Center : CHARLESTON ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 61920 Other Information NPANXX : 217639 County Population : 0 Switch CLLI (Common Language Location Identifier) : CHTNILXCDS0 MSA CBSA (Core Based Statistical Area) : Charleston-Mattoon, IL MSA CBSA Code (Core Based Statistical Area) : 16660 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : ILLINOIS CONSOLIDATED TELEPHONE CO. OCN (Operating Company Number) : 1037 Coverage Area Name : CHARLESTON Latitude : 39.4891 Longitude : -88.1761 ‹ previous : 217-638 next › : 217-640 Telephone Number List 217-639-0000 ~ 217-639-9999