Gjennomsnittlig GPS-koordinater for postnummer 21229: 2.944, 99.801
Notering byer:
>> Karang Anyar 21229, North Sumatra, Asahan, GPS-koordinater: 2.94403,99.80134
Notering byer:
>> Karang Anyar 21229, North Sumatra, Asahan, GPS-koordinater: 2.94403,99.80134