About postal code 370-2300
The postal code 370-2300 routes mail to Tomioka Shi in the Gumma 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
370-2300 - Tomioka Shi
Postal code 370-2300 is Tomioka Shi in Gumma Ken, Japan.
| Postal code | 370-2300 |
| Place | Tomioka Shi |
| Region | Gumma Ken |
| District | Tomioka Shi |
| Country | Japan (JP) |
| Coordinates | 36.2865, 138.9295 (map) |