Area Code 309-238 located in WYOMING, STARK, IL, more detail is as below. Place NPA (Numbering Plan Area) : 309 NXX (Local Number Prefix) : 238 City : WYOMING County : STARK State : IL (Illinois) NXX Use Type : Wireless NXX Intro Version : 1995-07-04 FIPS (Federal Information Processing Standards) : 17175 LATA (Local Access Transport Area) : 368 Rate Center : WYOMING ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 61491 Other Information NPANXX : 309238 County Population : 0 Switch CLLI (Common Language Location Identifier) : WYNGILABCM1 MSA CBSA (Core Based Statistical Area) : Peoria, IL MSA CBSA Code (Core Based Statistical Area) : 37900 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : ILLINOIS VALLEY CELLULAR RSA 2-II PARTNERSHIP OCN (Operating Company Number) : 5272 Coverage Area Name : WYOMING Latitude : 41.0630 Longitude : -89.7751 ‹ previous : 309-237 next › : 309-239 Telephone Number List 309-238-0000 ~ 309-238-9999