| General Information about Area Code 343 | |
|---|---|
| Country | Canada |
| State / Province / Territory | Ontario |
| Major City | Ottawa |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | Primary City | Phone Type |
|---|---|---|
| 343-356 | Cornwall | Landline |
| 343-291 | Ottawa | Landline |
| 343-273 | Plevna | Landline |
| 343-688 | Ottawa | Landline |
| 343-500 | Hawkesbury | Landline |
| 343-272 | Northbrook | Landline |
| 343-212 | Jockvale | Landline |
| 343-270 | Belleville | Landline |
| 343-400 | Perth | Wireless |