Average GPS coordinates for Grand-Couronne Postcode location: 49.356, 1.007. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Grand-Couronne on map:

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Listing cities & postcodes (1):
>> Haute-Normandie, 76530 Grand-Couronne, Seine-Maritime, Arrondissement de Rouen, GPS coordinates: 49.3556,1.0065