Average GPS coordinates for Mézy-sur-Seine Postcode location: 49, 1.883. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Mézy-sur-Seine on map:

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Listing cities & postcodes (1):
>> Île-de-France, 78250 Mézy-sur-Seine, Yvelines, Arrondissement de Mantes-la-Jolie, GPS coordinates: 49,1.8833