| Date | Type | Code | Name |
|---|---|---|---|
| 1971-01-01 | Deletion | 02220 | Coulonges-en-Tardenois |
| 1971-01-01 | Simple merger | 02202 → 02220 | Cohan → Coulonges-Cohan |
| 1971-01-01 | Simple merger | 02220 | Coulonges-en-Tardenois → Coulonges-Cohan |
| 1956-06-08 | Creation | 02220 | Coulonges-en-Tardenois |
| 1956-06-08 | Name change | 02220 | Coulonges → Coulonges-en-Tardenois |
| 1943-01-01 | Creation | 02220 | Coulonges |