| General Information about Area Code 289 | |
|---|---|
| Country | Canada |
| State / Province / Territory | Ontario |
| Major City | Unionville |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | Primary City | Phone Type |
|---|---|---|
| 289-528 | Keswick | Landline |
| 289-823 | Welland | Wireless |
| 289-537 | Richmond Hill | Landline |
| 289-414 | Welland | Landline |
| 289-645 | Brooklin | Landline |
| 289-880 | Hamilton | Wireless |
| 289-998 | Streetsville | Landline |
| 289-540 | Streetsville | Landline |
| 289-953 | Port Credit | Landline |
| 289-883 | Cooksville | Wireless |
| 289-646 | Niagara On The Lake | Landline |
| 289-487 | Bolton | Landline |
| 289-572 | King City | Landline |
| 289-252 | Cobourg | Landline |
| 289-474 | Woodbridge | Landline |
| 289-907 | King City | Landline |
| 289-944 | Malton | Landline |
| 289-725 | Oakville | Landline |
| 289-570 | Richmond Hill | Landline |
| 289-480 | Welland | Landline |