Gjennomsnittlig GPS-koordinater for postnummer 21324: 2.965, 99.8
Notering byer:
>> Kualo Silau Bestari 21324, North Sumatra, Tanjung Balai, GPS-koordinater: 2.96513,99.80034
Notering byer:
>> Kualo Silau Bestari 21324, North Sumatra, Tanjung Balai, GPS-koordinater: 2.96513,99.80034