Coordinate GPS medie per codice postale 20157: 3.724, 98.507

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lista delle città :
>> Polonia 20157, North Sumatra, Medan, coordinate GPS: 3.54794,98.67714
>> Sari Rejo 20157, North Sumatra, Medan, coordinate GPS: 3.81158,98.4226
>> Suka Damai 20157, North Sumatra, Medan, coordinate GPS: 3.8116,98.42262