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 |
|---|---|---|---|---|
| 289-726 | Streetsville | Navigata Communications Limited | Landline | |
| 289-727 | Clarkson | Navigata Communications Limited | Landline | |
| 289-728 | Halton | Milton | Comwave Networks | Landline |
| 289-729 | Malton | Malton | Comwave Networks | Landline |
| 289-730 | Newmarket | Newmarket | Distributel | Landline |
| 289-731 | Oshawa | Navigata Communications Limited | Landline | |
| 289-732 | Whitby | Navigata Communications Limited | Landline | |
| 289-733 | Pickering | Navigata Communications Limited | Landline | |
| 289-734 | Southpick | Navigata Communications Limited | Landline | |
| 289-735 | Ancaster | Ancaster | Rogers Communications Canada Inc. (Cable) | Landline |
| 289-736 | Cayuga | Cayuga | Rogers Communications Canada Inc. (Cable) | Landline |
| 289-737 | Dundas | Dundas | Rogers Communications Canada Inc. (Cable) | Landline |
| 289-738 | Dunnville | Dunnville | Rogers Communications Canada Inc. (Cable) | Landline |
| 289-744 | Southpick | Innsysvoice Corp | Landline | |
| 289-745 | Halton | Burlington | Distributel | Landline |
| 289-746 | Gormley | Gormley | Rogers Communications Canada Inc. (Cable) | Landline |
| 289-747 | Brampton | Brampton | Rogers Communications Canada Inc. (Cable) | Landline |
| 289-748 | Brampton | Brampton | Telus Integrated Communications | Landline |
| 289-749 | Castlemore | Castlemore | Comwave Networks | Landline |
| 289-752 | Brampton | Brampton | Rogers Communications Canada Inc. (Cable) | Landline |
| 289-755 | Hamilton | Hamilton | Rogers Communications Canada Inc. (Cable) | Landline |
| 289-756 | Binbrook | Binbrook | Rogers Communications Canada Inc. (Cable) | Landline |
| 289-757 | Caledonia | Caledonia | Rogers Communications Canada Inc. (Cable) | Landline |
| 289-758 | Hagersville | Hagersville | Rogers Communications Canada Inc. (Cable) | Landline |
| 289-759 | Mount Hope | Mount Hope | Rogers Communications Canada Inc. (Cable) | Landline |
| 289-760 | Stoney Creek | Stoney Creek | Rogers Communications Canada Inc. (Cable) | Landline |
| 289-761 | Dunnville | Rogers Communications Canada Inc. (Wireless) | Wireless | |
| 289-762 | Fort Erie | Rogers Communications Canada Inc. (Wireless) | Wireless | |
| 289-763 | Newmarket | Rogers Communications Canada Inc. (Wireless) | Wireless | |
| 289-764 | Brampton | Brampton | Allstream Inc. | Landline |
| 289-765 | Stoney Creek | Stoney Creek | Allstream Inc. | Landline |
| 289-766 | Hamilton | Rogers Communications Canada Inc. (Wireless) | Wireless | |
| 289-767 | Hamilton | Waterdown | Comwave Networks | Landline |
| 289-768 | Hamilton | Hamilton | Iristel Inc. | Landline |
| 289-769 | Hamilton | Hamilton | Iristel Inc. | Landline |
| 289-770 | Grimsby | Grimsby | Comwave Networks | Landline |
| 289-771 | Cobourg | Cobourg | Rogers Communications Canada Inc. (Wireless) | Wireless |
| 289-772 | Oakville | Oakville | Rogers Communications Canada Inc. (Wireless) | Wireless |
| 289-773 | Hamilton | Hamilton | Rogers Communications Canada Inc. (Wireless) | Wireless |
| 289-774 | Hamilton | Hamilton | Rogers Communications Canada Inc. (Wireless) | Wireless |
| 289-775 | Hamilton | Hamilton | Rogers Communications Canada Inc. (Wireless) | Wireless |
| 289-776 | Hamilton | Hamilton | Rogers Communications Canada Inc. (Wireless) | Wireless |
| 289-777 | Cooksville | Cooksville | Telus Integrated Communications | Landline |
| 289-778 | Hamilton | Hamilton | Iristel Inc. | Landline |
| 289-779 | Hamilton | Hamilton | Iristel Inc. | Landline |
| 289-780 | Hamilton | Hamilton | Iristel Inc. | Landline |
| 289-781 | Saint Catharines Thorold | Saint Catharines Thorold | Rogers Communications Canada Inc. (Wireless) | Wireless |
| 289-782 | Saint Catharines Thorold | Saint Catharines Thorold | Rogers Communications Canada Inc. (Wireless) | Wireless |
| 289-783 | Saint Catharines Thorold | Saint Catharines Thorold | Rogers Communications Canada Inc. (Wireless) | Wireless |
| 289-786 | Saint Catharines Thorold | Saint Catharines Thorold | Primus Telecommunications Canada Inc. | Landline |
| 289-787 | Halton | Burlington | Comwave Networks | Landline |
| 289-788 | Hamilton | Hamilton | Freedom Mobile Inc. | Wireless |
| 289-789 | Unionville | Unionville | Telus Integrated Communications | Landline |
| 289-790 | Georgetown | Georgetown | Comwave Networks | Landline |
| 289-795 | Oakville | Oakville | Bell Mobility | Wireless |
| 289-796 | Aurora | Aurora | Iristel Inc. | Landline |
| 289-797 | Grimsby | Grimsby | Iristel Inc. | Landline |
| 289-798 | Burlington | Burlington | Distributel | Landline |
| 289-799 | Hamilton | Hamilton | Iristel Inc. | Landline |
| 289-800 | Markham | Markham | Iristel Inc. | Landline |
| 289-801 | Brampton | Brampton | Iristel Inc. | Landline |
| 289-802 | Aurora | Aurora | Iristel Inc. | Landline |
| 289-803 | Newmarket | Newmarket | Iristel Inc. | Landline |
| 289-804 | Malton | Malton | Iristel Inc. | Landline |
| 289-805 | Cooksville | Cooksville | Iristel Inc. | Landline |
| 289-806 | Unionville | Unionville | Iristel Inc. | Landline |
| 289-807 | Thornhill | Thornhill | Iristel Inc. | Landline |
| 289-808 | Hamilton | Hamilton | Telus Mobility | Wireless |
| 289-809 | Richmond Hill | Richmond Hill | Iristel Inc. | Landline |
| 289-812 | Burlington | Burlington | Iristel Inc. | 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 |
Operate Read more about who called from 2897914511 |
Update Time Mar-26-2026 |
| Phone Number 289-204-2930 |
USAGE Landline |
City Ancaster |
Operate Read more about who called from 2892042930 |
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 |
Operate Read more about who called from 2897891102 |
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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