About postal code 300-4236
The postal code 300-4236 routes mail to Koizumi in the Ibaraki Ken region of Japan. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
Japan ยท Postal code
300-4236 - Koizumi
Postal code 300-4236 is Koizumi in Ibaraki Ken, Japan.
| Postal code | 300-4236 |
| Place | Koizumi |
| Region | Ibaraki Ken |
| District | Tsukuba Shi |
| Country | Japan (JP) |
| Coordinates | 36.1756, 140.0827 (map) |