Average GPS coordinates for Thành An Postcode location: 20.096, 105.723. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Thành An on map:

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Listing cities & postcodes (1):
>> Thanh Hóa, 440000 Thành An, Bắc Trung Bộ, GPS coordinates: 20.09649,105.723