Gjennomsnittlig GPS-koordinater for postnummer 21116: 2.954, 99.053
Notering byer:
>> Timbang Galung 21116, North Sumatra, Pematang Siantar, GPS-koordinater: 2.95442,99.05322
Notering byer:
>> Timbang Galung 21116, North Sumatra, Pematang Siantar, GPS-koordinater: 2.95442,99.05322