Area Code 309-725 located in LEXINGTON, MCLEAN, IL, more detail is as below. Place NPA (Numbering Plan Area) : 309 NXX (Local Number Prefix) : 725 City : LEXINGTON County : MCLEAN State : IL (Illinois) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 17113 LATA (Local Access Transport Area) : 366 Rate Center : COOKSVILLE ZIP Code Count : 24 ZIP Code Frequency : 12 ZIP Code : 61753 Other Information NPANXX : 309725 County Population : 0 Switch CLLI (Common Language Location Identifier) : CKVLILXDRS0 MSA CBSA (Core Based Statistical Area) : Bloomington-Normal, IL MSA CBSA Code (Core Based Statistical Area) : 14060 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : FRONTIER COMMUNICATIONS OF ILLINOIS, INC. OCN (Operating Company Number) : 1038 Coverage Area Name : COOKSVILLE Latitude : 40.5443 Longitude : -88.7176 ‹ previous : 309-724 next › : 309-725 Telephone Number List 309-725-0000 ~ 309-725-9999