Active Prefixes in Area Code 289
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 289-296-#### | Niagara Falls | Landline | Telus Integrated Com... |
| 289-297-#### | Port Credit | Landline | Isp Telecom... |
| 289-298-#### | Brampton | Landline | Isp Telecom... |
| 289-299-#### | Clarkson | Landline | Isp Telecom... |
| 289-300-#### | Oakville | Wireless | Globalive Wireless M... |
| 289-301-#### | Markham | Landline | Iristel Inc.... |
| 289-302-#### | Niagara Falls | Landline | Iristel Inc.... |
| 289-303-#### | Fort Erie | Wireless | Bell Mobility... |
| 289-304-#### | Maple | Landline | Bell Canada... |
| 289-305-#### | Streetsville | Landline | Bell Canada... |
| 289-306-#### | Markham | Landline | Iristel Inc.... |
| 289-307-#### | Markham | Landline | Iristel Inc.... |
| 289-308-#### | Hamilton | Wireless | Rogers Communication... |
| 289-309-#### | Hamilton | Landline | Fibernetics Corporat... |
| 289-312-#### | Oshawa | Landline | Iristel Inc.... |
| 289-313-#### | Burlington | Landline | Bell Canada... |
| 289-314-#### | Ajax-Pickering | Wireless | Bell Mobility... |
| 289-315-#### | Ajax-Pickering | Landline | Distributel... |
| 289-316-#### | Oshawa | Landline | Distributel... |
| 289-317-#### | Richmond Hill | Landline | Distributel... |
| 289-318-#### | Schomberg | Landline | Distributel... |
| 289-319-#### | Newmarket | Landline | Distributel... |
| 289-320-#### | Fort Erie | Landline | Telus Integrated Com... |
| 289-321-#### | Fort Erie | Wireless | Rogers Communication... |
| 289-322-#### | Fort Erie | Wireless | Fido Solutions Inc.... |
| 289-323-#### | Brampton | Landline | Distributel... |
| 289-324-#### | Castlemore | Landline | Distributel... |
| 289-325-#### | Brampton | Wireless | Bell Mobility... |
| 289-326-#### | Clarkson | Landline | Distributel... |
| 289-327-#### | Cooksville | Landline | Distributel... |
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 | |