Gjennomsnittlig GPS-koordinater for postnummer 21424: 2.063, 99.878
Notering byer:
>> Sidorejo 21424, North Sumatra, Labuhan Batu, GPS-koordinater: 2.06325,99.87757
Notering byer:
>> Sidorejo 21424, North Sumatra, Labuhan Batu, GPS-koordinater: 2.06325,99.87757