| Postal Code Place Name | Plougasnou |
| Region | Bretagne |
| Department | Finistère |
| Arrondissement | Morlaix |
| Canton | Plouigneau |
| Current Time: | CET |
| Time Zone: | Central European Time |
| IANA Time Zone: | Europe/Paris |
| Dialing Code: | 02 |
| 29252 Plouezoc'h |
| 29610 Plouigneau |
| 29620 Lanmeur |