Average GPS coordinates for Seignosse Postcode location: 43.688, -1.37. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Seignosse on map:

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Listing cities & postcodes (1):
>> Aquitaine, 40510 Seignosse, Landes, Arrondissement de Dax, GPS coordinates: 43.6877,-1.37