Average GPS coordinates for Margny Postcode location: 49.272, 4.498. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Margny on map:

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Listing cities & postcodes (2):
>> Champagne-Ardenne, 08370 Margny, Ardennes, Arrondissement de Sedan, GPS coordinates: 49.6141,5.3511
>> Champagne-Ardenne, 51210 Margny, Marne, Arrondissement d'Épernay, GPS coordinates: 48.9302,3.645