Average GPS coordinates for Lainville-en-Vexin Postcode location: 49.067, 1.817. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Lainville-en-Vexin on map:

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Listing cities & postcodes (1):
>> Île-de-France, 78440 Lainville-en-Vexin, Yvelines, Arrondissement de Mantes-la-Jolie, GPS coordinates: 49.0667,1.8167