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.
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.
| PREFIX | COUNTY | CITY | CARRIER | TYPE |
|---|---|---|---|---|
| 289-347 | Welland | Welland | Rogers Communications Canada Inc. (Cable) | Landline |
| 289-348 | Burlington | Burlington | Distributel | Landline |
| 289-349 | Georgetown | Georgetown | Distributel | Landline |
| 289-350 | Milton | Milton | Distributel | Landline |
| 289-351 | Oakville | Oakville | Distributel | Landline |
| 289-352 | Waterdown | Waterdown | Distributel | Landline |
| 289-353 | Richmond Hill | Richmond Hill | Flexity Solutions Inc | Landline |
| 289-354 | Port Perry | Port Perry | Telus Mobility | Wireless |
| 289-355 | Oshawa | Oshawa | Bell Mobility | Wireless |
| 289-356 | Oshawa | Oshawa | Bell Mobility | Wireless |
| 289-357 | Maple | Maple | Telus Integrated Communications | Landline |
| 289-358 | Hamilton | Hamilton | Telus Integrated Communications | Landline |
| 289-359 | Malton | Malton | Telus Integrated Communications | Landline |
| 289-360 | Cooksville | Cooksville | Telus Integrated Communications | Landline |
| 289-361 | Niagara Falls | Niagara Falls | Telus Integrated Communications | Landline |
| 289-362 | Saint Catharines Thorold | Saint Catharines Thorold | Telus Integrated Communications | Landline |
| 289-363 | Oakville | Oakville | Telus Integrated Communications | Landline |
| 289-364 | Saint Catharines Thorold | Saint Catharines Thorold | Telus Integrated Communications | Landline |
| 289-366 | Newmarket | Newmarket | Fibernetics Corporation | Landline |
| 289-369 | Dunnville | Dunnville | Allstream Inc. | Landline |
| 289-370 | Cayuga | Cayuga | Allstream Inc. | Landline |
| 289-371 | Woodbridge | Woodbridge | Allstream Inc. | Landline |
| 289-372 | Pickering | Pickering | Allstream Inc. | Landline |
| 289-373 | Clarkson | Clarkson | Allstream Inc. | Landline |
| 289-374 | Cooksville | Cooksville | Allstream Inc. | Landline |
| 289-375 | Streetsville | Streetsville | Telus Integrated Communications | Landline |
| 289-376 | Port Robinson | Port Robinson | Telus Integrated Communications | Landline |
| 289-377 | Dunnville | Dunnville | Bell Mobility | Wireless |
| 289-378 | Markham | Markham | Fibernetics Corporation | Landline |
| 289-379 | Richmond Hill | Richmond Hill | Fibernetics Corporation | Landline |
| 289-380 | Aurora | Aurora | Rogers Communications Canada Inc. (Wireless) | Wireless |
| 289-381 | Dunnville | Dunnville | Rogers Communications Canada Inc. (Wireless) | Wireless |
| 289-382 | Hamilton | Hamilton | Rogers Communications Canada Inc. (Wireless) | Wireless |
| 289-383 | Newmarket | Newmarket | Bell Mobility | Wireless |
| 289-384 | Malton | Malton | Fibernetics Corporation | Landline |
| 289-385 | Oshawa | Oshawa | Bell Mobility | Wireless |
| 289-386 | Oakville | Oakville | Bell Canada | Landline |
| 289-387 | Pickering | Pickering | Bell Mobility | Wireless |
| 289-388 | Pickering | Pickering | Bell Mobility | Wireless |
| 289-389 | Hamilton | Hamilton | Telus Integrated Communications | Landline |
| 289-390 | Thornhill | Thornhill | Telus Integrated Communications | Landline |
| 289-391 | Hamilton | Hamilton | Telus Integrated Communications | Landline |
| 289-392 | Unionville | Unionville | Telus Integrated Communications | Landline |
| 289-393 | Woodbridge | Woodbridge | Telus Integrated Communications | Landline |
| 289-394 | Uxbridge | Uxbridge | Fido Solutions Inc. | Wireless |
| 289-395 | Newmarket | Newmarket | Fido Solutions Inc. | Wireless |
| 289-396 | Hamilton | Hamilton | Telus Integrated Communications | Landline |
| 289-397 | Stevensville | Stevensville | Telus Integrated Communications | Landline |
| 289-398 | Saint Catharines Thorold | Saint Catharines Thorold | Telus Integrated Communications | Landline |
| 289-399 | Richmond Hill | Richmond Hill | Telus Integrated Communications | Landline |
| 289-400 | Oakville | Oakville | Freedom Mobile Inc. | Wireless |
| 289-401 | Brampton | Brampton | Iristel Inc. | Landline |
| 289-402 | Niagara Falls | Niagara Falls | Iristel Inc. | Landline |
| 289-403 | Durham | Pickering | Bell Canada | Landline |
| 289-404 | Oshawa | Oshawa | Rogers Communications Canada Inc. (Wireless) | Wireless |
| 289-405 | Oshawa | Bell Mobility | Wireless | |
| 289-406 | Brampton | Allstream Inc. | Landline | |
| 289-407 | Saint Catharines Thorold | Saint Catharines Thorold | Rogers Communications Canada Inc. (Wireless) | Wireless |
| 289-408 | Hamilton | Hamilton | Fibernetics Corporation | Landline |
| 289-409 | Milton | Milton | Fibernetics Corporation | Landline |
| 289-410 | Peel | Brampton | Distributel | Landline |
| 289-412 | Milton | Milton | Telus Integrated Communications | Landline |
| 289-413 | Niagara On The Lake | Niagara On The Lake | Telus Integrated Communications | Landline |
| 289-414 | Welland | Welland | Telus Integrated Communications | Landline |
| 289-415 | Beeton | Beeton | Telus Integrated Communications | Landline |
| 289-417 | Pickering | Pickering | Telus Integrated Communications | Landline |
| 289-418 | Brampton | Brampton | Telus Integrated Communications | Landline |
| 289-419 | Burlington | Burlington | Telus Integrated Communications | Landline |
| 289-420 | Clarkson | Clarkson | Telus Integrated Communications | Landline |
| 289-421 | Cooksville | Cooksville | Telus Integrated Communications | Landline |
| Phone Number 289-219-2871 |
USAGE Wireless |
City Saint Catharines Thorold |
Operate Read more about who called from 2892192871 |
Update Time Mar-26-2026 |
| Phone Number 289-301-2259 |
USAGE Landline |
City Markham |
Operate Read more about who called from 2893012259 |
Update Time Mar-26-2026 |
| Phone Number 289-791-4511 |
USAGE Landline |
City Markham |
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Update Time Mar-26-2026 |
| Phone Number 289-204-2930 |
USAGE Landline |
City Ancaster |
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Update Time Mar-26-2026 |
| Phone Number 289-768-8183 |
USAGE Landline |
City Hamilton |
Operate Read more about who called from 2897688183 |
Update Time Mar-26-2026 |
| Phone Number 289-783-8541 |
USAGE Wireless |
City Saint Catharines Thorold |
Operate Read more about who called from 2897838541 |
Update Time Mar-26-2026 |
| Phone Number 289-789-1102 |
USAGE Landline |
City Unionville |
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Update Time Mar-26-2026 |
| Phone Number 289-789-1107 |
USAGE Landline |
City Unionville |
Operate Read more about who called from 2897891107 |
Update Time Mar-26-2026 |
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