Average GPS coordinates for Long Postcode location: 50.041, 1.979. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Long on map:

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Listing cities & postcodes (1):
>> Picardie, 80510 Long, Somme, Arrondissement d'Abbeville, GPS coordinates: 50.0408,1.9794