{"area_code":"631","type":"geographic","status":"active","country":"US","region":"New York","region_code":"NY","principal_city":"Brentwood","cities":["Brentwood","Centereach","Central Islip","Commack","Copiague","Coram","Deer Park","Dix Hills","East Northport","East Patchogue","Hauppauge","Holbrook","Huntington Station","Medford","North Bay Shore","North Lindenhurst","Ronkonkoma","Selden","Shirley","Smithtown","West Babylon","West Islip"],"timezone":"America/New_York","timezone_label":"Eastern Time","current_local_time":"2026-08-04 22:03:58","ten_digit_dialing":true,"service_type":null,"overlay_codes":["934"],"nearby_codes":["934","363","516","203","475","914"],"summary":"Area code 631 covers Brentwood and nearby cities including Centereach, Central Islip, Commack in New York, in the Eastern Time.","carrier_summary":{"nxx_prefixes":782,"blocks":6472,"wireless_pct":32,"top_carriers":[{"name":"VERIZON NEW YORK, INC.","blocks":889},{"name":"ONVOY, LLC- NY","blocks":671},{"name":"OMNIPOINT COMMUNICATIONS, INC. - NY","blocks":566},{"name":"CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY","blocks":492},{"name":"NEW CINGULAR WIRELESS PCS, LLC - DC","blocks":458},{"name":"METROPCS, INC.","blocks":425}],"per_number":"https://areacode.fyi/api/v1/carrier/{number}"},"canonical_url":"https://areacode.fyi/631","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-08-02"}