| 2019-01-01 | Deletion | 22093 | Lamballe |
| 2019-01-01 | Creation of a new commune | 22093 | Lamballe → Lamballe-Armor |
| 2019-01-01 | Creation of a new commune | 22154 → 22093 | Morieux → Lamballe-Armor |
| 2019-01-01 | Creation of a new commune | 22173 → 22093 | Planguenoual → Lamballe-Armor |
| 2016-01-01 | Creation of a new commune | 22093 | Lamballe |
| 2016-01-01 | Creation of a new commune | 22093 | Lamballe |
| 2016-01-01 | Creation of a new commune | 22142 → 22093 | Maroué → Lamballe |
| 2016-01-01 | Creation of a new commune | 22151 → 22093 | Meslin → Lamballe |
| 2016-01-01 | Creation of a new commune | 22252 → 22093 | La Poterie → Lamballe |
| 2016-01-01 | Creation of a new commune | 22270 → 22093 | Saint-Aaron → Lamballe |
| 2016-01-01 | Creation of a new commune | 22355 → 22093 | Trégomar → Lamballe |
| 1973-01-01 | Association merger | 22093 | Lamballe |
| 1973-01-01 | Association merger | 22142 → 22093 | Maroué → Lamballe |
| 1973-01-01 | Association merger | 22252 → 22093 | La Poterie → Lamballe |
| 1973-01-01 | Association merger | 22270 → 22093 | Saint-Aaron → Lamballe |
| 1973-01-01 | Association merger | 22355 → 22093 | Trégomar → Lamballe |
| 1943-01-01 | Creation | 22093 | Lamballe |