Area Code 217-810 located in MARTINSVILLE, CLARK, IL, more detail is as below. Place NPA (Numbering Plan Area) : 217 NXX (Local Number Prefix) : 810 City : MARTINSVILLE County : CLARK State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 3/2/2006 FIPS (Federal Information Processing Standards) : 17023 LATA (Local Access Transport Area) : 976 Rate Center : MARTINSVL ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 62442 Other Information NPANXX : 217810 County Population : 0 Switch CLLI (Common Language Location Identifier) : MTONILXCSMD Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL OCN (Operating Company Number) : 846F Coverage Area Name : MARTINSVILLE Latitude : 39.3342 Longitude : -87.8858 ‹ previous : 217-808 next › : 217-812 Telephone Number List 217-810-0000 ~ 217-810-9999