Active Prefixes in Area Code 289

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Area Code 289 Introduction

Area Code:289
Country:Canada
State/Province:Ontario
Major City:Mississauga
Time Zone:Eastern
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About 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.
Major cities or places
Area codes 905, 289 and 365 cover a portion of southern Ontario including Niagara Falls and the Greater Toronto Area, and the larger communities of Ajax, Ancaster, Aurora, Brampton, Burlington, Caledon, Cobourg, Dunnville, Fort Erie, Georgetown, Hamilton, King Township, Maple, Markham, Milton, Mississauga, Newmarket, Oshawa, Richmond Hill, St. Catharines, Stoney Creek, Thornhill, Unionville, Welland, Woodbridge and many smaller surrounding communities