Average GPS coordinates for Marbaix Postcode location: 50.129, 3.842. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Marbaix on map:

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Listing cities & postcodes (1):
>> Nord-Pas-de-Calais, 59440 Marbaix, Nord, Arrondissement d'Avesnes-sur-Helpe, GPS coordinates: 50.1288,3.8423