Japan

306-0104 post code

Post code details

1 place

Code

Place

Onna

Region

Ibaraki Ken

County

Koga Shi

Coordinates

36.1674, 139.8455

Accuracy

—

Country

Japan

Location

OpenStreetMap ↗

36.1674, 139.8455© OpenStreetMap

Places under this code

Place	Region	County	Coordinates
Onna	Ibaraki Ken	Koga Shi	36.1674, 139.8455

Nearby codes

All →

306-0101 306-0103 306-0105 306-0106 306-0107 306-0108 306-0109 306-0110 306-0111 306-0112 306-0113 306-0114

Same code in other countries

Country	Place	Region
PT Portugal	Moreiras	Coimbra

FAQ

Which city is 306-0104 in?

Onna, Ibaraki Ken, Japan.

What are the coordinates of 306-0104?

36.1674, 139.8455

Is 306-0104 used in other countries?

Yes, 1 other countries.

The data is unofficial and has known truncation; verify with the recipient and carrier for critical shipments. See data source & license → · Updated 2026-11-09. Attribution in