Average GPS coordinates for Khlong San Postcode location: 13.733, 100.5. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Khlong San on map:

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Listing cities & postcodes (1):
>> Bangkok, 10600 Khlong San, GPS coordinates: 13.7333,100.5