Gjennomsnittlig GPS-koordinater for postnummer 77181: 3.5, 117.8
Notering byer:
>> Bunyu 77181, North Kalimantan, Bulungan, GPS-koordinater: 3.49998,117.79998
Notering byer:
>> Bunyu 77181, North Kalimantan, Bulungan, GPS-koordinater: 3.49998,117.79998