365 Area Code

Primary cities: Markham, Hamilton, Brampton, Thornhill, Oshawa ... all cities

Cities: Ajax-pickering, Ancaster, Aurora, Beamsville, Beeton, Bethesda, Binbrook, Blackstock, Bolton, Bowmanville, Bradford, Brampton, Brooklin, Burlington, Caledon East, Caledonia, Campbellville, Castlemore, Cayuga, Claremont, Clarkson, Cobourg, Cooksville, Dundas, Dunnville, Fisherville, Fort Erie, Freelton, Garden Hill, Georgetown, Gormley, Grimsby, Hagersville, Hamilton, Hampton, Keswick, King City, Kleinburg, Malton, Maple, Markham, Milton, Mount Albert, Mount Hope, Newcastle, Newmarket, Newtonville, Niagara Falls, Niagara-on-the, Nobleton, Oak Ridges, Oakville, Orono, Oshawa, Palgrave, Pelham, Port Colborne, Port Credit, Port Perry, Port Robinson, Queensville, Richmond Hill, Ridgeway, Schomberg, Selkirk, Snelgrove, St. Catharines, Stevensville, Stoney Creek, Stouffville, Streetsville, Sutton, Thornhill, Tottenham, Unionville, Uxbridge, Victoria, Vineland, Wainfleet, Waterdown, Welland, Wellandport, West Lincoln, Whitby, Winona, Woodbridge