| Date | Type | Code | Name |
|---|---|---|---|
| 1965-01-01 | Deletion | 72276 | Saint-Cosme-de-Vair |
| 1965-01-01 | Simple merger | 72055 → 72276 | Champaissant → Saint-Cosme-en-Vairais |
| 1965-01-01 | Simple merger | 72092 → 72276 | Contres-en-Vairais → Saint-Cosme-en-Vairais |
| 1965-01-01 | Simple merger | 72276 | Saint-Cosme-de-Vair → Saint-Cosme-en-Vairais |
| 1943-01-01 | Creation | 72276 | Saint-Cosme-de-Vair |