Gjennomsnittlig GPS-koordinater for postnummer 830-0423: 33.192, 130.446
Notering byer:
>> Ooyabu 830-0423, Fukuokaken, Mizumagun'Ookimachi, GPS-koordinater: 33.1923,130.4464
Notering byer:
>> Ooyabu 830-0423, Fukuokaken, Mizumagun'Ookimachi, GPS-koordinater: 33.1923,130.4464