Area Code 309-430 located in PEORIA, PEORIA, IL, more detail is as below. Place NPA (Numbering Plan Area) : 309 NXX (Local Number Prefix) : 430 City : PEORIA County : PEORIA State : IL (Illinois) NXX Use Type : Wireless NXX Intro Version : 1996-10-15 FIPS (Federal Information Processing Standards) : 17143 Rate Center : PEORIA ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 61606 Other Information NPANXX : 309430 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 Latitude : None Longitude : None ‹ previous : 309-430 next › : 309-431 Telephone Number List 309-430-0000 ~ 309-430-9999