{"area_code":"314","type":"geographic","status":"active","country":"US","region":"Missouri","region_code":"MO","principal_city":"St Louis","cities":["St Louis","St. Louis","Florissant","Affton","Ferguson","Hazelwood","Kirkwood","Maryland Heights","Mehlville","Oakville","Spanish Lake","University City","Webster Groves"],"timezone":"America/Chicago","timezone_label":"Central Time","current_local_time":"2026-08-04 15:01:20","ten_digit_dialing":true,"service_type":null,"overlay_codes":["557"],"nearby_codes":["557","636","618","730","235","573"],"summary":"Area code 314 covers St Louis and nearby cities including St. Louis, Florissant, Affton in Missouri, in the Central Time.","carrier_summary":{"nxx_prefixes":784,"blocks":5699,"wireless_pct":42,"top_carriers":[{"name":"T-MOBILE USA, INC.","blocks":1243},{"name":"SOUTHWESTERN BELL","blocks":1003},{"name":"NEW CINGULAR WIRELESS PCS, LLC - IL","blocks":751},{"name":"ONVOY, LLC - MO","blocks":578},{"name":"MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO","blocks":386},{"name":"BANDWIDTH.COM CLEC, LLC - MO","blocks":379}],"per_number":"https://areacode.fyi/api/v1/carrier/{number}"},"canonical_url":"https://areacode.fyi/314","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-08-02"}