Area code 437 is an overlay for Toronto, Ontario, and its surrounding suburbs, sharing coverage with 416 and 647. Introduced in 2013, the 437 code supports continued growth in Canada’s largest metro area. Toronto is a powerhouse for finance, real estate, education, and multicultural commerce. While 416 is considered more “prestigious,” 437 is fully functional and increasingly common for newer mobile lines and startups. The city’s dense population, expanding transit infrastructure, and international influence make it one of North America’s key economic engines. A 437 number places your business within a globally connected market that values accessibility, speed, and innovation. It’s a modern solution for anyone building a new presence or scaling services in the Toronto metro area.