Area Code 217-533 located in HILLSBORO, MONTGOMERY, IL, more detail is as below. Place NPA (Numbering Plan Area) : 217 NXX (Local Number Prefix) : 533 City : HILLSBORO 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 : IRVING ZIP Code Count : 31 ZIP Code Frequency : 11 ZIP Code : 62049 Other Information NPANXX : 217533 County Population : 0 Switch CLLI (Common Language Location Identifier) : IRNGILXCRS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : ILLINOIS CONSOLIDATED TELEPHONE CO. OCN (Operating Company Number) : 1037 Coverage Area Name : IRVING Latitude : 39.2018 Longitude : -89.4053 ‹ previous : 217-532 next › : 217-533 Telephone Number List 217-533-0000 ~ 217-533-9999