Gjennomsnittlig GPS-koordinater for postnummer 21365: 2.949, 99.775
Notering byer:
>> Semula Jadi 21365, North Sumatra, Tanjung Balai, GPS-koordinater: 2.94851,99.77463
Notering byer:
>> Semula Jadi 21365, North Sumatra, Tanjung Balai, GPS-koordinater: 2.94851,99.77463