Area Code 217-288 located in ALLERTON, VERMILION, IL, more detail is as below. Place NPA (Numbering Plan Area) : 217 NXX (Local Number Prefix) : 288 City : ALLERTON County : VERMILION State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 17183 LATA (Local Access Transport Area) : 370 Rate Center : SIDELL ZIP Code Count : 18 ZIP Code Frequency : 5 ZIP Code : 61810 Other Information NPANXX : 217288 County Population : 0 Switch CLLI (Common Language Location Identifier) : SDLLILXCRS0 MSA CBSA (Core Based Statistical Area) : Danville, IL MSA CBSA Code (Core Based Statistical Area) : 19180 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : FRONTIER NORTH, INC. - IL OCN (Operating Company Number) : 1015 Coverage Area Name : SIDELL Latitude : 39.9097 Longitude : -87.8240 ‹ previous : 217-288 next › : 217-288 Telephone Number List 217-288-0000 ~ 217-288-9999