Gjennomsnittlig GPS-koordinater for postnummer 29871: -0.555, 104.481
Notering byer:
>> Singkep 29871, Riau Islands, Lingga, GPS-koordinater: -0.55524,104.48136
Notering byer:
>> Singkep 29871, Riau Islands, Lingga, GPS-koordinater: -0.55524,104.48136