Area Code 217-634 located in ASHLAND, CASS, IL, more detail is as below. Place NPA (Numbering Plan Area) : 217 NXX (Local Number Prefix) : 634 City : ASHLAND 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 : TALLULA ZIP Code Count : 9 ZIP Code Frequency : 3 ZIP Code : 62612 Other Information NPANXX : 217634 County Population : 0 Switch CLLI (Common Language Location Identifier) : TALLILTLRS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : AMERITECH ILLINOIS OCN (Operating Company Number) : 9329 Coverage Area Name : TALLULA Latitude : 39.9470 Longitude : -89.9390 ‹ previous : 217-633 next › : 217-634 Telephone Number List 217-634-0000 ~ 217-634-9999