Area Code 217-340 located in MARSHALL, CLARK, IL, more detail is as below. Place NPA (Numbering Plan Area) : 217 NXX (Local Number Prefix) : 340 City : MARSHALL County : CLARK State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 2005-06-25 FIPS (Federal Information Processing Standards) : 17023 LATA (Local Access Transport Area) : 938 Rate Center : MARSHALL ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 62441 Other Information NPANXX : 217340 County Population : 0 Switch CLLI (Common Language Location Identifier) : TRRHINXATMD Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SPRINT COMMUNICATIONS COMPANY, L.P. - IL OCN (Operating Company Number) : 8721 Coverage Area Name : MARSHALL Latitude : 39.3931 Longitude : -87.6977 ‹ previous : 217-339 next › : 217-341 Telephone Number List 217-340-0000 ~ 217-340-9999