Average GPS coordinates for Porong Postcode location: -7.541, 112.689. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Porong on map:

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Listing cities & postcodes (1):
>> East Java, 61274 Porong, Sidoarjo, GPS coordinates: -7.54061,112.68879