Area Code 309-205 located in PEORIA, PEORIA, IL, more detail is as below. Place NPA (Numbering Plan Area) : 309 NXX (Local Number Prefix) : 205 City : PEORIA County : PEORIA State : IL (Illinois) NXX Use Type : Wireless NXX Intro Version : 1998-01-25 FIPS (Federal Information Processing Standards) : 17143 LATA (Local Access Transport Area) : 634 Rate Center : PEORIA ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 61603 Other Information NPANXX : 309205 County Population : 0 Switch CLLI (Common Language Location Identifier) : PEORILKJCM0 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 : SBC INTERNET SERVICES, INC. OCN (Operating Company Number) : 516C Coverage Area Name : COAL VALLEY Latitude : 41.4527 Longitude : -90.4694 ‹ previous : 309-204 next › : 309-205 Telephone Number List 309-205-0000 ~ 309-205-9999