Average GPS coordinates for Margency Postcode location: 49, 2.3. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Margency on map:

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Listing cities & postcodes (1):
>> Île-de-France, 95580 Margency, Val-d'Oise, Arrondissement de Sarcelles, GPS coordinates: 49,2.3