Significant events for area code 613
| Date |
Details |
| 1947 | One of the two original area codes for Ontario |
| 1953 | The southwestern area of area code 416 and the northern area of 613 were combined to create 519 |
| 1957 | The central area of area code 613 and the northern area of 416 were combined to create 705 |
| Ontario 613 overlays . |