Area Code 217-704 located in WEST UNION, CLARK, IL, more detail is as below. Place NPA (Numbering Plan Area) : 217 NXX (Local Number Prefix) : 704 City : WEST UNION County : CLARK State : IL (Illinois) NXX Use Type : Wireless NXX Intro Version : 2002-08-04 FIPS (Federal Information Processing Standards) : 17023 LATA (Local Access Transport Area) : 938 Rate Center : MARSHALL ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 62477 Other Information NPANXX : 217704 County Population : 0 Switch CLLI (Common Language Location Identifier) : MRSHILABCM1 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : CELLULAR PROPERTIES, INC. OCN (Operating Company Number) : 6762 Coverage Area Name : MARSHALL Latitude : 39.3931 Longitude : -87.6977 ‹ previous : 217-703 next › : 217-704 Telephone Number List 217-704-0000 ~ 217-704-9999