Active Prefixes in Area Code 289
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 289-392-#### | Unionville | Landline | Telus Integrated Com... |
| 289-393-#### | Woodbridge | Landline | Telus Integrated Com... |
| 289-394-#### | Uxbridge | Wireless | Fido Solutions Inc.... |
| 289-395-#### | Newmarket | Wireless | Fido Solutions Inc.... |
| 289-396-#### | Hamilton | Landline | Telus Integrated Com... |
| 289-397-#### | Stevensville | Landline | Telus Integrated Com... |
| 289-398-#### | Saint Catharines-Thorold | Landline | Telus Integrated Com... |
| 289-399-#### | Richmond Hill | Landline | Telus Integrated Com... |
| 289-400-#### | Oakville | Wireless | Globalive Wireless M... |
| 289-401-#### | Brampton | Landline | Iristel Inc.... |
| 289-402-#### | Niagara Falls | Landline | Iristel Inc.... |
| 289-403-#### | Ajax-Pickering | Landline | Bell Canada... |
| 289-404-#### | Oshawa | Wireless | Rogers Communication... |
| 289-407-#### | Saint Catharines-Thorold | Wireless | Rogers Communication... |
| 289-408-#### | Hamilton | Landline | Fibernetics Corporat... |
| 289-409-#### | Milton | Landline | Fibernetics Corporat... |
| 289-410-#### | Brampton | Landline | Yak Communications (... |
| 289-412-#### | Milton | Landline | Telus Integrated Com... |
| 289-413-#### | Niagara-on-the-Lake | Landline | Telus Integrated Com... |
| 289-414-#### | Welland | Landline | Telus Integrated Com... |
| 289-415-#### | Beeton | Landline | Telus Integrated Com... |
| 289-417-#### | Ajax-Pickering | Landline | Telus Integrated Com... |
| 289-418-#### | Brampton | Landline | Telus Integrated Com... |
| 289-419-#### | Burlington | Landline | Telus Integrated Com... |
| 289-420-#### | Clarkson | Landline | Telus Integrated Com... |
| 289-421-#### | Cooksville | Landline | Telus Integrated Com... |
| 289-422-#### | Ajax-Pickering | Landline | Telus Integrated Com... |
| 289-423-#### | Ajax-Pickering | Wireless | Telus Mobility... |
| 289-424-#### | Binbrook | Landline | Isp Telecom... |
| 289-425-#### | Mount Hope | Landline | Isp Telecom... |
Area Code 289 Introduction
| Area Code: | 289 |
| Country: | Canada |
| State/Province: | Ontario |
| Major City: | Mississauga |
| Time Zone: | Eastern |
| 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 | |