Area Code 217-458 located in CHANDLERVILLE, CASS, IL, more detail is as below. Place NPA (Numbering Plan Area) : 217 NXX (Local Number Prefix) : 458 City : CHANDLERVILLE County : CASS State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 17017 LATA (Local Access Transport Area) : 374 Rate Center : CHANDLERVL ZIP Code Count : 369 ZIP Code Frequency : 85 ZIP Code : 62627 Other Information NPANXX : 217458 County Population : 0 Switch CLLI (Common Language Location Identifier) : CAVLILXCRS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : CASS TELEPHONE COMPANY OCN (Operating Company Number) : 0984 Coverage Area Name : CHANDLERVILLE Latitude : 40.0476 Longitude : -90.1477 ‹ previous : 217-458 next › : 217-459 Telephone Number List 217-458-0000 ~ 217-458-9999