| Date | Type | Code | Name |
|---|---|---|---|
| 2020-10-16 | Deletion of a delegated commune | 22251 | Pordic |
| 2020-10-16 | Deletion of a delegated commune | 22367 → 22251 | Tréméloir → Pordic |
| 2016-01-01 | Creation of a new commune | 22251 | Pordic |
| 2016-01-01 | Creation of a new commune | 22251 | Pordic |
| 2016-01-01 | Creation of a new commune | 22367 → 22251 | Tréméloir → Pordic |
| 1943-01-01 | Creation | 22251 | Pordic |