Area Code 343 Location
The 343 area code covers Ottawa and the surrounding Eastern Ontario region.
Area code 343 is a general purpose code which was placed in service on May 17, 2010.
Area Code 343 Location Map
Source: Canadian Numbering Administrator (cnac.ca)
Overlay System
The 343 area code is an overlay to the original 613 area code, meaning they serve the same geographic region. To further increase capacity, area code 753 was added as another overlay. Area code 613 was one of the original area codes from 1947. Area code 343 was activated on May 17, 2010, and area code 753 was activated on March 26, 2022. Ten-digit dialing is mandatory in this region.
Area Code 343 NXX Codes Distribution
NXX Code Distribution by Exchange Area
Our reverse phone lookup will analyze the three-digit nxx code of any 343 numbering plan area (NPA) phone number and will show which company and exchange area it was initially assigned to. This nxx code data may help to determine the Canada carrier, and geographic area associated with that phone number.
| Exchange Area | Number of NXX Codes |
|---|---|
| Ottawa-Hull | 99 |
| Cornwall | 22 |
| Kingston | 22 |
| Belleville | 19 |
| Brockville | 17 |
| Bancroft | 13 |
| Kanata-Stittsville | 12 |
| Jockvale | 10 |
| Merrickville | 10 |
| Carleton Place | 9 |
| Smiths Falls | 9 |
| Orleans | 8 |
| Vankleek Hill | 8 |
| Alfred | 7 |
| Other | 365 |
NXX Code Distribution by Company
| Company | NXX Codes Assigned |
|---|---|
| Fibernetics | 92 |
| TELUS Integrated Communications | 82 |
| Iristel | 66 |
| Distributel | 65 |
| TekSavvy Solutions | 53 |
| ISP Telecom | 41 |
| InnSysVoice | 33 |
| Bell Mobility | 28 |
| Bell Canada | 22 |
| Nexicom Telecommunications | 22 |
| Freedom Mobile | 21 |
| Comwave Networks | 16 |
| TELUS Mobility | 15 |
| Rogers Communications Canada (Wireless) | 13 |
| IXICA Communications | 12 |
| Cogeco Connexion | 10 |
| Zayo Canada | 8 |
| Videotron | 7 |
| Fido Solutions | 6 |
| Rogers Communications Canada (Cable) | 6 |
| ExaTEL | 3 |
| Westport Telephone | 3 |
| Primus Telecommunications Canada | 2 |
| Bragg Communications | 1 |
| NRTC Communications | 1 |
| Rogers Communications Canada | 1 |
| Roxborough Telephone | 1 |
Area Code Lookup
Reverse lookup phone numbers starting with other area codes: