Koshigaya City Hall
| Municipality | Address | Phone・Fax |
| Koshigaya City Hall [HP] | 4-2-1 Koshigaya, Koshigaya Shi, Saitama 343-8501 | Phone:048-964-2111 Fax:048-965-6433 |
| Municipality | Address | Phone・Fax |
| Koshigaya City Hall [HP] | 4-2-1 Koshigaya, Koshigaya Shi, Saitama 343-8501 | Phone:048-964-2111 Fax:048-965-6433 |
| Hokaido | |
|---|---|
| Tohoku | |
| Kanto | |
| Koshinetsu, Hokuriku | |
| Chubu | |
| Kinki | |
| Chugoku | |
| Shikoku | |
| Kyusyu | |
| Okinawa |