Gjennomsnittlig GPS-koordinater for postnummer 306-0303: 36.094, 139.767
Notering byer:
>> Egawa 306-0303, Ibarakiken, Sashimagungokamachi, GPS-koordinater: 36.0938,139.7674
Notering byer:
>> Egawa 306-0303, Ibarakiken, Sashimagungokamachi, GPS-koordinater: 36.0938,139.7674