Gjennomsnittlig GPS-koordinater for postnummer 4159: -27.483, 153.217
Notering byer:
>> Birkdale 4159, Queensland, UNDERWOOD SOUTH, GPS-koordinater: -27.4833,153.2167
Notering byer:
>> Birkdale 4159, Queensland, UNDERWOOD SOUTH, GPS-koordinater: -27.4833,153.2167