Gjennomsnittlig GPS-koordinater for postnummer 20728: 3.594, 98.482
Notering byer:
>> Bhakti Karya 20728, North Sumatra, Binjai, GPS-koordinater: 3.59441,98.48219
Notering byer:
>> Bhakti Karya 20728, North Sumatra, Binjai, GPS-koordinater: 3.59441,98.48219