This commune has 3 associated communes.
| Code | Name |
|---|---|
| 80581 | Namps-au-Mont |
| 80689 | Rumaisnil |
| 80745 | Taisnil |
| Date | Type | Code | Name |
|---|---|---|---|
| 1972-12-28 | Deletion | 80582 | Namps-au-Val |
| 1972-12-28 | Association merger | 80581 → 80582 | Namps-au-Mont → Namps-Maisnil |
| 1972-12-28 | Association merger | 80582 | Namps-au-Val → Namps-Maisnil |
| 1972-12-28 | Association merger | 80689 → 80582 | Rumaisnil → Namps-Maisnil |
| 1972-12-28 | Association merger | 80745 → 80582 | Taisnil → Namps-Maisnil |
| 1943-01-01 | Creation | 80582 | Namps-au-Val |