{"area_code":"289","type":"geographic","status":"active","country":"CA","region":"Ontario","region_code":"ON","principal_city":"Hamilton","cities":["Hamilton","Oakville","Oshawa","St Catharines-Thorold","Brampton","Ajax-Pickering","Burlington","Newmarket","Richmond Hill","Cooksville","Streetsville","Markham"],"timezone":"America/Toronto","timezone_label":"Eastern Time","current_local_time":"2026-08-04 19:51:51","ten_digit_dialing":true,"service_type":null,"overlay_codes":["365","742","905"],"nearby_codes":["742","905","365","437","647","416"],"summary":"Area code 289 covers Hamilton and nearby cities including Oakville, Oshawa, St Catharines-Thorold in Ontario, in the Eastern Time.","carrier_summary":{"nxx_prefixes":772,"blocks":772,"wireless_pct":25,"top_carriers":[{"name":"ROGERS COMMUNICATIONS CANADA INC.","blocks":109},{"name":"TELUS INTEGRATED COMMUNICATIONS","blocks":91},{"name":"FIBERNETICS CORPORATION","blocks":89},{"name":"IRISTEL INC. - ON","blocks":71},{"name":"INNSYSVOICE CORP - ON","blocks":64},{"name":"DISTRIBUTEL COMMUNICATIONS LIMITED - ON","blocks":57}],"per_number":"https://areacode.fyi/api/v1/carrier/{number}"},"canonical_url":"https://areacode.fyi/289","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-08-02"}