Area Code 289

Southern Ontario, Canada is served by area code 289, which was created as an overlay to 905 in 2001. 289 coverage area includes the Niagara Peninsula, Hamilton, Oshawa, and the suburban Toronto area.

Area Code 289 History

Following cities also use area code 289:

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

ZIP codes in Area Code 289: