Average GPS coordinates for Nam Hải Postcode location: 20.278, 106.232. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Nam Hải on map:

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Listing cities & postcodes (1):
>> Nam Định, 420000 Nam Hải, Đồng Bằng Sông Hồng, GPS coordinates: 20.27775,106.23202