Average GPS coordinates for Tengah Postcode location: -0.514, 110.609. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Tengah on map:

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Listing cities & postcodes (4):
>> West Kalimantan, 78812 Tengah, Ketapang, GPS coordinates: -1.83662,109.95377
>> West Kalimantan, 78111 Tengah, Pontianak, GPS coordinates: -0.02602,109.35127
>> West Kalimantan, 78911 Tengah, Pontianak, GPS coordinates: -1.10612,114.14394
>> West Kalimantan, 79121 Tengah, Singkawang, GPS coordinates: 0.91285,108.98775