Area code 343 was first put in service May 17, 2010. Currently, the largest city it serves is Ottawa, ON, and it overlaps coverage areas with area code 613.
Arden, Bancroft, Belleville, Brighton, Brockville, Cornwall, Deseronto, Gananoque, Jockvale, Kanata-Stittsville, Kingston, Napanee, Northbrook, Orleans, Ottawa-Hull, Pembroke, Perth, Plevna, Renfrew, Smiths Falls, Vankleek Hill.
| PREFIX | COUNTY | CITY | CARRIER | TYPE |
|---|---|---|---|---|
| 343-203 | Ottawa | |||
| 343-212 | Jockvale | |||
| 343-213 | Carleton Place | |||
| 343-219 | Ottawa | |||
| 343-221 | Orleans | |||
| 343-222 | Picton | |||
| 343-225 | Brockville | |||
| 343-261 | Belleville | |||
| 343-262 | Ottawa | |||
| 343-263 | Belleville | |||
| 343-264 | Brockville | |||
| 343-265 | Deseronto | |||
| 343-266 | Kingston | |||
| 343-267 | Napanee | |||
| 343-268 | Arden | |||
| 343-269 | Bancroft | |||
| 343-270 | Belleville | |||
| 343-271 | Brighton | |||
| 343-272 | Northbrook | |||
| 343-273 | Plevna | |||
| 343-288 | Cornwall | |||
| 343-290 | Kingston | |||
| 343-291 | Ottawa | |||
| 343-292 | Ottawa | |||
| 343-300 | Brockville | |||
| 343-304 | Vankleek Hill | |||
| 343-320 | Brockville | |||
| 343-330 | Cornwall | |||
| 343-333 | Kingston | |||
| 343-340 | Merrickville | |||
| 343-341 | Perth | |||
| 343-344 | Kingston | |||
| 343-355 | Belleville | |||
| 343-356 | Cornwall | |||
| 343-357 | Bancroft | |||
| 343-358 | Kingston | |||
| 343-359 | Kananaskis | |||
| 343-360 | Ottawa | |||
| 343-361 | Renfrew | |||
| 343-362 | Belleville | |||
| 343-363 | Kingston | |||
| 343-364 | Kingston | |||
| 343-369 | Pembroke | |||
| 343-370 | Cornwall | |||
| 343-400 | Perth | |||
| 343-401 | Bancroft | |||
| 343-402 | Perth | |||
| 343-472 | Madoc | |||
| 343-473 | Vankleek Hill | |||
| 343-474 | Alexandria |
| Phone Number 343-596-4901 |
USAGE Landline |
City Alexandria |
Operate Read more about who called from 3435964901 |
Update Time Mar-31-2025 |
| Phone Number 343-321-4421 |
USAGE Landline |
City Alexandria |
Operate Read more about who called from 3433214421 |
Update Time Mar-31-2025 |
| Phone Number 343-446-3098 |
USAGE Landline |
City Alexandria |
Operate Read more about who called from 3434463098 |
Update Time Mar-31-2025 |
| Phone Number 343-765-4551 |
USAGE Landline |
City Alexandria |
Operate Read more about who called from 3437654551 |
Update Time Mar-31-2025 |
| Phone Number 343-308-1577 |
USAGE Landline |
City Alexandria |
Operate Read more about who called from 3433081577 |
Update Time Mar-31-2025 |
| Phone Number 343-401-0525 |
USAGE Landline |
City Bancroft |
Operate Read more about who called from 3434010525 |
Update Time Mar-30-2025 |
| Phone Number 343-312-6768 |
USAGE Landline |
City Bancroft |
Operate Read more about who called from 3433126768 |
Update Time Mar-30-2025 |
| Phone Number 343-401-8572 |
USAGE Landline |
City Bancroft |
Operate Read more about who called from 3434018572 |
Update Time Oct-17-2024 |
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