Average GPS coordinates for Duken Postcode location: 59.183, 10.45. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Duken on map:

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Listing cities & postcodes (1):
>> Vestfold, 3133 Duken, Nøtterøy, GPS coordinates: 59.1833,10.45