Isumi City Hall
| Municipality | Address | Phone・Fax |
| Isumi City Hall [HP] | 7400-1 Ohara, Isumi Shi, Chiba 298-8501 | Phone:0470-62-1111 Fax:0470-63-1252 |
| Municipality | Address | Phone・Fax |
| Isumi City Hall [HP] | 7400-1 Ohara, Isumi Shi, Chiba 298-8501 | Phone:0470-62-1111 Fax:0470-63-1252 |
| Hokaido | |
|---|---|
| Tohoku | |
| Kanto | |
| Koshinetsu, Hokuriku | |
| Chubu | |
| Kinki | |
| Chugoku | |
| Shikoku | |
| Kyusyu | |
| Okinawa |