Average GPS coordinates for postcode 21157: 3.178, 98.865
Listing cities:
>> Silou Kahean 21157, North Sumatra, Simalungun, GPS coordinates: 3.17817,98.8648
Listing cities:
>> Silou Kahean 21157, North Sumatra, Simalungun, GPS coordinates: 3.17817,98.8648