Area Codes in Cornwall
| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|---|---|---|---|---|
| 613 | Ottawa | Ontario | 812,129 | Canada | America/Toronto |
Nearby Cities
| City | Region | Country | Population | Area Codes | Postal Codes |
|---|---|---|---|---|---|
| Bombay, New York | New York | United States | — | 518 | 12914 |
| Helena, New York | New York | United States | — | 315 | 13649 |
| Hogansburg, New York | New York | United States | — | 518 | 13655 |
| Massena, New York | New York | United States | 10,936 | 315 | 13662 |
| Rooseveltown, New York | New York | United States | — | 315 | 13683 |