Significant events for area code 902
| Date |
Details |
| 1947 | The original area code for Nova Scotia and Prince Edward Island |
| 1949 | Newfoundland was added when it became a province of Canada |
| 1962 | Area code 902 was split with Newfoundland and Labrador going to area code 709 |
| August, 2014 | Area code 782 was overlaid on 902 |