Gjennomsnittlig GPS-koordinater for postnummer 29428: 1.094, 103.977
Notering byer:
>> Sungai Harapan 29428, Riau Islands, Batam, GPS-koordinater: 1.04568,104.03051
>> Tanjung Pinggir 29428, Riau Islands, Batam, GPS-koordinater: 1.14219,103.92321
Notering byer:
>> Sungai Harapan 29428, Riau Islands, Batam, GPS-koordinater: 1.04568,104.03051
>> Tanjung Pinggir 29428, Riau Islands, Batam, GPS-koordinater: 1.14219,103.92321