Gjennomsnittlig GPS-koordinater for postnummer 31617: -3.297, 102.86
Notering byer:
>> Ulak Surung 31617, South Sumatra, Lubuk Linggau, GPS-koordinater: -3.29693,102.85987
Notering byer:
>> Ulak Surung 31617, South Sumatra, Lubuk Linggau, GPS-koordinater: -3.29693,102.85987