{"area_code":"309","type":"geographic","status":"active","country":"US","region":"Illinois","region_code":"IL","principal_city":"Peoria","cities":["Peoria","Bloomington","Normal","Moline","Rock Island","East Moline","East Peoria","Galesburg","Pekin"],"timezone":"America/Chicago","timezone_label":"Central Time","current_local_time":"2026-08-04 15:01:56","ten_digit_dialing":true,"service_type":null,"overlay_codes":["861"],"nearby_codes":["861","563","217","447","779","815"],"summary":"Area code 309 covers Peoria and nearby cities including Bloomington, Normal, Moline in Illinois, in the Central Time.","carrier_summary":{"nxx_prefixes":781,"blocks":5232,"wireless_pct":37,"top_carriers":[{"name":"ONVOY, LLC","blocks":830},{"name":"CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL","blocks":675},{"name":"FRONTIER NORTH, INC. - IL","blocks":376},{"name":"T-MOBILE USA, INC.","blocks":371},{"name":"NEW CINGULAR WIRELESS PCS, LLC - IL","blocks":316},{"name":"ILLINOIS BELL TEL CO","blocks":310}],"per_number":"https://areacode.fyi/api/v1/carrier/{number}"},"canonical_url":"https://areacode.fyi/309","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-08-02"}