Gjennomsnittlig GPS-koordinater for postnummer 819-1611: 33.525, 130.156
Notering byer:
>> Katayama 819-1611, Fukuokaken, Itoshimagunnijoumachi, GPS-koordinater: 33.5254,130.1556
Notering byer:
>> Katayama 819-1611, Fukuokaken, Itoshimagunnijoumachi, GPS-koordinater: 33.5254,130.1556