Coordinate GPS medie per codice postale 20611: 3.349, 99.127

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lista delle città :
>> Berohol 20611, North Sumatra, Tebing Tinggi, coordinate GPS: 3.34905,99.12707
>> Karya Jaya 20611, North Sumatra, Tebing Tinggi, coordinate GPS: 3.34912,99.12714