{"area_code":"283","type":"geographic","status":"active","country":"US","region":"Ohio","region_code":"OH","principal_city":"Cincinnati","cities":["Cincinnati","Hamilton","Middletown","Fairfield","Mason","Norwood","Oxford"],"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":["513"],"nearby_codes":["513","326","937","859","502","761"],"summary":"Area code 283 covers Cincinnati and nearby cities including Hamilton, Middletown, Fairfield in Ohio, in the Eastern Time.","carrier_summary":{"nxx_prefixes":47,"blocks":404,"wireless_pct":50,"top_carriers":[{"name":"ONVOY, LLC - OH","blocks":118},{"name":"NEW CINGULAR WIRELESS PCS, LLC - IL","blocks":104},{"name":"T-MOBILE USA, INC.","blocks":28},{"name":"ONVOY SPECTRUM, LLC","blocks":25},{"name":"BOOST SUBSCRIBERCO L.L.C.","blocks":25},{"name":"CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH","blocks":15}],"per_number":"https://areacode.fyi/api/v1/carrier/{number}"},"canonical_url":"https://areacode.fyi/283","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-08-02"}