289 area code is the telephone area code of the North American Numbering Plan (NANP) for western part of the Greater Toronto Area, Ontario, Canada. The area code was created in 2001.
| Area Code | 289 |
|---|---|
| Major City | Hamilton |
| Service Date | 06/09/2001 |
| Time Zone | Eastern |
| Overlay Complex | 289/365/742/905 |
| Location | Ontario (ON) |
| Country | Canada |
Some of the cities served by area code 289 include Hamilton, Mississauga, Vaughan, Richmond Hill, Ajax, Aurora, Brampton, Burlington, Caledon and more.
| Area code | Place | Province |
|---|---|---|
| 289 | Ajax | Ontario |
| 289 | Alberton | Ontario |
| 289 | Allanburg | Ontario |
| 289 | Alton | Ontario |
| 289 | Ancaster | Ontario |
| 289 | Ashburn | Ontario |
| 289 | Aurora | Ontario |
| 289 | Baldwin | Ontario |
| 289 | Baltimore | Ontario |
| 289 | Beamsville | Ontario |
| 289 | Beeton | Ontario |
| 289 | Belfountain | Ontario |
| 289 | Bewdley | Ontario |
| 289 | Binbrook | Ontario |
| 289 | Blackstock | Ontario |
| 289 | Bolton | Ontario |
| 289 | Bond Head | Ontario |
| 289 | Bowmanville | Ontario |
| 289 | Bradford | Ontario |
| 289 | Brampton | Ontario |
| 289 | Brougham | Ontario |
| 289 | Burlington | Ontario |
| 289 | Caesarea | Ontario |
| 289 | Caistor Centre | Ontario |
| 289 | Caledon | Ontario |
| 289 | Caledon East | Ontario |
| 289 | Caledon Village | Ontario |
| 289 | Caledonia | Ontario |
| 289 | Campbellcroft | Ontario |
| 289 | Campbellville | Ontario |
| 289 | Campden | Ontario |
| 289 | Canfield | Ontario |
| 289 | Carlisle | Ontario |
| 289 | Castleton | Ontario |
| 289 | Cayuga | Ontario |
| 289 | Cedar Valley | Ontario |
| 289 | Cheltenham | Ontario |
| 289 | Claremont | Ontario |
| 289 | Cobourg | Ontario |
| 289 | Colborne | Ontario |
| 289 | Concord | Ontario |
| 289 | Copetown | Ontario |
| 289 | Courtice | Ontario |
| 289 | Crystal Beach | Ontario |
| 289 | Dundas | Ontario |
| 289 | Dunnville | Ontario |
| 289 | East Gwillimbury | Ontario |
| 289 | Fenwick | Ontario |
| 289 | Fisherville | Ontario |
| 289 | Fonthill | Ontario |
| 289 | Fort Erie | Ontario |
| 289 | Freelton | Ontario |
| 289 | Georgetown | Ontario |
| 289 | Gilford | Ontario |
| 289 | Goodwood | Ontario |
| 289 | Gores Landing | Ontario |
| 289 | Gormley | Ontario |
| 289 | Grafton | Ontario |
| 289 | Grassie | Ontario |
| 289 | Greenbank | Ontario |
| 289 | Greenwood | Ontario |
| 289 | Grimsby | Ontario |
| 289 | Hagersville | Ontario |
| 289 | Haldimand County | Ontario |
| 289 | Hamilton | Ontario |
| 289 | Hampton | Ontario |
| 289 | Hannon | Ontario |
| 289 | Harwood | Ontario |
| 289 | Holland Landing | Ontario |
| 289 | Hornby | Ontario |
| 289 | Inglewood | Ontario |
| 289 | Innisfil | Ontario |
| 289 | Jacksons Point | Ontario |
| 289 | Jerseyville | Ontario |
| 289 | Jordan Station | Ontario |
| 289 | Kendal | Ontario |
| 289 | Keswick | Ontario |
| 289 | Kettleby | Ontario |
| 289 | Kilbride | Ontario |
| 289 | King City | Ontario |
| 289 | Kleinburg | Ontario |
| 289 | Leaskdale | Ontario |
| 289 | Limehouse | Ontario |
| 289 | Locust Hill | Ontario |
| 289 | Loretto | Ontario |
| 289 | Lowbanks | Ontario |
| 289 | Lynden | Ontario |
| 289 | Maple | Ontario |
| 289 | Markham | Ontario |
| 289 | Millgrove | Ontario |
| 289 | Milton | Ontario |
| 289 | Mississauga | Ontario |
| 289 | Moffat | Ontario |
| 289 | Mount Albert | Ontario |
| 289 | Mount Hope | Ontario |
| 289 | Nestleton Station | Ontario |
| 289 | Newcastle | Ontario |
| 289 | Newmarket | Ontario |
| 289 | Newtonville | Ontario |
| 289 | Niagara Falls | Ontario |
| 289 | Niagara On The Lake | Ontario |
| 289 | Nobleton | Ontario |
| 289 | Norval | Ontario |
| 289 | Oakville | Ontario |
| 289 | Orono | Ontario |
| 289 | Oshawa | Ontario |
| 289 | Palgrave | Ontario |
| 289 | Pickering | Ontario |
| 289 | Port Colborne | Ontario |
| 289 | Port Hope | Ontario |
| 289 | Port Perry | Ontario |
| 289 | Port Robinson | Ontario |
| 289 | Prince Albert | Ontario |
| 289 | Queenston | Ontario |
| 289 | Queensville | Ontario |
| 289 | Richmond Hill | Ontario |
| 289 | Ridgeville | Ontario |
| 289 | Ridgeway | Ontario |
| 289 | River Drive Park | Ontario |
| 289 | Roches Point | Ontario |
| 289 | Roseneath | Ontario |
| 289 | Sandford | Ontario |
| 289 | Schomberg | Ontario |
| 289 | Seagrave | Ontario |
| 289 | Selkirk | Ontario |
| 289 | Sharon | Ontario |
| 289 | Sherkston | Ontario |
| 289 | Smithville | Ontario |
| 289 | St Anns | Ontario |
| 289 | St Catharines | Ontario |
| 289 | St Davids | Ontario |
| 289 | Stevensville | Ontario |
| 289 | Stoney Creek | Ontario |
| 289 | Stouffville | Ontario |
| 289 | Sutton West | Ontario |
| 289 | Terra Cotta | Ontario |
| 289 | Thornhill | Ontario |
| 289 | Thorold | Ontario |
| 289 | Tottenham | Ontario |
| 289 | Unionville | Ontario |
| 289 | Uxbridge | Ontario |
| 289 | Vaughan | Ontario |
| 289 | Vineland | Ontario |
| 289 | Vineland Station | Ontario |
| 289 | Virgil | Ontario |
| 289 | Wainfleet | Ontario |
| 289 | Waterdown | Ontario |
| 289 | Welland | Ontario |
| 289 | Wellandport | Ontario |
| 289 | West Flamborough | Ontario |
| 289 | Whitby | Ontario |
| 289 | Whitevale | Ontario |
| 289 | Willow Beach | Ontario |
| 289 | Woodbridge | Ontario |
| 289 | Zephyr | Ontario |