Active Prefixes in Area Code 289
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 289-200-#### | Ajax-Pickering | Wireless | Rogers Communication... |
| 289-201-#### | Brampton | Landline | Iristel Inc.... |
| 289-202-#### | Kleinburg | Landline | Rogers Communication... |
| 289-203-#### | Stoney Creek | Landline | Iristel Inc.... |
| 289-204-#### | Ancaster | Landline | Iristel Inc.... |
| 289-205-#### | Grimsby | Landline | Iristel Inc.... |
| 289-206-#### | Bolton | Landline | Iristel Inc.... |
| 289-207-#### | King City | Landline | Iristel Inc.... |
| 289-208-#### | Burlington | Wireless | Rogers Communication... |
| 289-209-#### | Dunnville | Wireless | Rogers Communication... |
| 289-210-#### | Oak Ridges | Landline | Iristel Inc.... |
| 289-212-#### | Stouffville | Landline | Iristel Inc.... |
| 289-213-#### | Saint Catharines-Thorold | Wireless | Bell Mobility... |
| 289-214-#### | Saint Catharines-Thorold | Wireless | Bell Mobility... |
| 289-215-#### | Cobourg | Wireless | Bell Mobility... |
| 289-216-#### | Kleinburg | Landline | Iristel Inc.... |
| 289-217-#### | Maple | Landline | Iristel Inc.... |
| 289-218-#### | Oakville | Wireless | Rogers Communication... |
| 289-219-#### | Saint Catharines-Thorold | Wireless | Bell Mobility... |
| 289-220-#### | Whitby | Landline | Telnet Communication... |
| 289-221-#### | Aurora | Wireless | Rogers Communication... |
| 289-222-#### | Oshawa | Landline | Telnet Communication... |
| 289-223-#### | Bowmanville | Landline | Telnet Communication... |
| 289-224-#### | Ajax-Pickering | Landline | Telnet Communication... |
| 289-225-#### | Port Perry | Landline | Telnet Communication... |
| 289-227-#### | Brooklin | Landline | Telnet Communication... |
| 289-228-#### | Saint Catharines-Thorold | Wireless | Telus Mobility... |
| 289-229-#### | South Pickering | Landline | Telnet Communication... |
| 289-230-#### | Burlington | Wireless | Telus Mobility... |
| 289-231-#### | Newmarket | Wireless | Rogers Communication... |
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 | |