{"area_code":"313","type":"geographic","status":"active","country":"US","region":"Michigan","region_code":"MI","principal_city":"Detroit","cities":["Detroit","Dearborn","Taylor","Dearborn Heights","Lincoln Park","Allen Park","Hamtramck","Inkster","Redford"],"timezone":"America/New_York","timezone_label":"Eastern Time","current_local_time":"2026-08-04 17:06:31","ten_digit_dialing":true,"service_type":null,"overlay_codes":["679"],"nearby_codes":["679","734","248","947","586","810"],"summary":"Area code 313 covers Detroit and nearby cities including Dearborn, Taylor, Dearborn Heights in Michigan, in the Eastern Time.","carrier_summary":{"nxx_prefixes":769,"blocks":5567,"wireless_pct":52,"top_carriers":[{"name":"OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC","blocks":1499},{"name":"MICHIGAN BELL TEL CO","blocks":813},{"name":"NEW CINGULAR WIRELESS PCS, LLC - IL","blocks":546},{"name":"ONVOY, LLCV - MI","blocks":476},{"name":"METROPCS, INC.","blocks":435},{"name":"BANDWIDTH.COM CLEC, LLC - MI","blocks":411}],"per_number":"https://areacode.fyi/api/v1/carrier/{number}"},"canonical_url":"https://areacode.fyi/313","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-08-02"}