{"area_code":"519","type":"geographic","status":"active","country":"CA","region":"Ontario","region_code":"ON","principal_city":"London","cities":["London","Kitchener-Waterloo","Windsor","Guelph","Brantford","Sarnia","Hespeler","Chatham","Owen Sound","Orangeville","Stratford","Woodstock"],"timezone":"America/Toronto","timezone_label":"Eastern Time","current_local_time":"2026-08-04 19:54:19","ten_digit_dialing":true,"service_type":null,"overlay_codes":["226","382","548"],"nearby_codes":["226","382","548","416","942","437"],"summary":"Area code 519 covers London and nearby cities including Kitchener-Waterloo, Windsor, Guelph in Ontario, in the Eastern Time.","carrier_summary":{"nxx_prefixes":778,"blocks":778,"wireless_pct":25,"top_carriers":[{"name":"BELL ONTARIO","blocks":380},{"name":"ROGERS COMMUNICATIONS CANADA INC.","blocks":118},{"name":"BELL CELLULAR, INC.","blocks":64},{"name":"TELE-MOBILE COMPANY DBA TELUS MOBILITY","blocks":54},{"name":"TELUS INTEGRATED COMMUNICATIONS","blocks":31},{"name":"NO NORWICH TEL, LTD DBA EXECULINK TELECOM - ON","blocks":26}],"per_number":"https://areacode.fyi/api/v1/carrier/{number}"},"canonical_url":"https://areacode.fyi/519","source":"North American Numbering Plan Administrator via areacode.fyi","data_date":"2026-08-02"}