Gjennomsnittlig GPS-koordinater for postnummer 20631: 3.325, 99.153
Notering byer:
>> Tambangan 20631, North Sumatra, Tebing Tinggi, GPS-koordinater: 3.32463,99.15281
Notering byer:
>> Tambangan 20631, North Sumatra, Tebing Tinggi, GPS-koordinater: 3.32463,99.15281