Coordinate GPS medie per codice postale 21128: 2.924, 98.978

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lista delle città :
>> Baringin Pancur Nauli 21128, North Sumatra, Pematang Siantar, coordinate GPS: 2.95699,99.06472
>> Pardamean 21128, North Sumatra, Pematang Siantar, coordinate GPS: 2.8571,98.80391
>> Sukaraja 21128, North Sumatra, Pematang Siantar, coordinate GPS: 2.95701,99.06474