Gjennomsnittlig GPS-koordinater for postnummer 21413: 2.098, 99.828
Notering byer:
>> Siringo-Ringo 21413, North Sumatra, Labuhan Batu, GPS-koordinater: 2.09769,99.82754
Notering byer:
>> Siringo-Ringo 21413, North Sumatra, Labuhan Batu, GPS-koordinater: 2.09769,99.82754