| 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 |
|---|---|---|
| 343-268 | Arden | Landline |
| 343-800 | Smiths Falls | Landline |
| 343-262 | Ottawa | Wireless |
| 343-265 | Deseronto | Landline |
| 343-264 | Brockville | Wireless |
| 343-344 | Kingston | Landline |
| 343-333 | Kingston | Wireless |
| 343-691 | Alfred | Landline |
| 343-369 | Pembroke | Wireless |
| 343-203 | Ottawa | Landline |
| 343-479 | Gananoque | Landline |
| 343-225 | Brockville | Landline |
| 343-472 | Madoc | Landline |
| 343-473 | Vankleek Hill | Landline |
| 343-401 | Bancroft | Wireless |
| 343-645 | Belleville | Wireless |
| 343-361 | Renfrew | Landline |
| 343-359 | Kananaskis | Landline |
| 343-290 | Kingston | Landline |
| 343-320 | Brockville | Landline |