Gjennomsnittlig GPS-koordinater for postnummer 20737: 3.609, 98.524
Notering byer:
>> Sumber Karya 20737, North Sumatra, Binjai, GPS-koordinater: 3.60938,98.52404
Notering byer:
>> Sumber Karya 20737, North Sumatra, Binjai, GPS-koordinater: 3.60938,98.52404