Gjennomsnittlig GPS-koordinater for postnummer 20112: 3.585, 98.676
Notering byer:
>> Petisah Tengah 20112, North Sumatra, Medan, GPS-koordinater: 3.58519,98.67555
Notering byer:
>> Petisah Tengah 20112, North Sumatra, Medan, GPS-koordinater: 3.58519,98.67555