Postal Code: 384-1102JIS area code: 20303 with check digit: 203033 | |
| Koumi | 小海 |
| Koumi-machi, Minamisaku-gun | 南佐久郡小海町 |
| Nagano-ken (aka: Nagano, Nagano-ken, Naganoken) | 長野県 |
*1 JIS area code is identification code for cities,towns and villages. Maintained by JISC - Japanese Industrial Standards Committee.
