Locations for Area Code - 905

Area Code 905 serves the suburbs surrounding Toronto, introduced in 1993 as the city’s population spilled into surrounding regions like Mississauga, Markham, and Hamilton. More than just a code, 905 became cultural shorthand for the booming “edge cities” around the 416 core. A 905 number could be tied to logistics, finance, or family-owned businesses that power the Ontario economy. Over time, it evolved into a symbol of middle-class growth, political influence, and suburban identity. In the GTA, 905 isn’t just a location, it’s a lifestyle.