Area Code 217-594 located in FILLMORE, MONTGOMERY, IL, more detail is as below. Place NPA (Numbering Plan Area) : 217 NXX (Local Number Prefix) : 594 City : FILLMORE County : MONTGOMERY State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 17135 LATA (Local Access Transport Area) : 976 Rate Center : WITT ZIP Code Count : 15 ZIP Code Frequency : 3 ZIP Code : 62032 Other Information NPANXX : 217594 County Population : 0 Switch CLLI (Common Language Location Identifier) : WITTILXCRS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : ILLINOIS CONSOLIDATED TELEPHONE CO. OCN (Operating Company Number) : 1037 Coverage Area Name : WITT Latitude : 39.2533 Longitude : -89.3521 ‹ previous : 217-594 next › : 217-594 Telephone Number List 217-594-0000 ~ 217-594-9999