Area Code 309-557 located in BLOOMINGTON, MCLEAN, IL, more detail is as below. Place NPA (Numbering Plan Area) : 309 NXX (Local Number Prefix) : 557 City : BLOOMINGTON 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 : BLOOMINGTN ZIP Code Count : 207 ZIP Code Frequency : 81 ZIP Code : 61701 Other Information NPANXX : 309557 County Population : 0 Switch CLLI (Common Language Location Identifier) : BLTNILXDDS0 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 NORTH, INC. - IL OCN (Operating Company Number) : 1015 Coverage Area Name : BLOOMINGTON Latitude : 40.4820 Longitude : -88.9963 ‹ previous : 309-557 next › : 309-558 Telephone Number List 309-557-0000 ~ 309-557-9999