Japan
306-0223 post code
Post code details
1 placeCode
Place
Kamiisagoi
Region
Ibaraki Ken
County
Koga Shi
Coordinates
36.1544, 139.7303
Accuracy
—
Country
Japan
Location
OpenStreetMap ↗








36.1544, 139.7303© OpenStreetMap
Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Kamiisagoi | Ibaraki Ken | Koga Shi | 36.1544, 139.7303 |
Same code in other countries
0This code only appears in this country.
FAQ
Which city is 306-0223 in?
Kamiisagoi, Ibaraki Ken, Japan.
What are the coordinates of 306-0223?
36.1544, 139.7303
Is 306-0223 used in other countries?
No.
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