Gjennomsnittlig GPS-koordinater for postnummer 21212: 3.317, 99.096
Notering byer:
>> Dadi Mulyo 21212, North Sumatra, Asahan, GPS-koordinater: 3.68125,98.67528
>> Sidodadi 21212, North Sumatra, Asahan, GPS-koordinater: 2.95247,99.51717
Notering byer:
>> Dadi Mulyo 21212, North Sumatra, Asahan, GPS-koordinater: 3.68125,98.67528
>> Sidodadi 21212, North Sumatra, Asahan, GPS-koordinater: 2.95247,99.51717