| Date | Type | Code | Name |
|---|---|---|---|
| 2017-01-01 | Creation of a new commune | 14342 | Isigny-sur-Mer |
| 2017-01-01 | Creation of a new commune | 14342 | Isigny-sur-Mer |
| 2017-01-01 | Creation of a new commune | 14142 → 14342 | Castilly → Isigny-sur-Mer |
| 2017-01-01 | Creation of a new commune | 14462 → 14342 | Neuilly-la-Forêt → Isigny-sur-Mer |
| 2017-01-01 | Creation of a new commune | 14481 → 14342 | Les Oubeaux → Isigny-sur-Mer |
| 2017-01-01 | Creation of a new commune | 14763 → 14342 | Vouilly → Isigny-sur-Mer |
| 1943-01-01 | Creation | 14342 | Isigny-sur-Mer |