Average GPS coordinates for Nam Hải Postcode location: 20.831, 106.741. (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):
>> Hải Phòng, 180000 Nam Hải, Đồng Bằng Sông Hồng, GPS coordinates: 20.83118,106.74088