This commune no longer exists in the current COG. Here is its history in the Official Geographic Code.
| Date | Type | Code | Name |
|---|---|---|---|
| 1994-02-01 | Association merger converted to a simple merger | 62884 → 62008 | Westbécourt → Acquin-Westbécourt |
| 1974-01-01 | Deletion | 62884 | Westbécourt |
| 1974-01-01 | Association merger | 62884 | Westbécourt |
| 1974-01-01 | Association merger | 62884 → 62008 | Westbécourt → Acquin-Westbécourt |
| 1943-01-01 | Creation | 62884 | Westbécourt |