Gjennomsnittlig GPS-koordinater for postnummer 300-0303: 36.039, 140.232
Notering byer:
>> Oomuro 300-0303, Ibarakiken, Inashikigun'Amimachi, GPS-koordinater: 36.0391,140.2324
Notering byer:
>> Oomuro 300-0303, Ibarakiken, Inashikigun'Amimachi, GPS-koordinater: 36.0391,140.2324