Postal Code: 861-8030

with check digit: 431028
Oyama-machi小山町
Higashi-ku, Kumamoto-shi熊本市東区
Kumamoto-ken
(aka: Kumamoto, Kumamoto-ken, Kumamotoken)
熊本県

*1 JIS area code is identification code for cities,towns and villages. Maintained by JISC - Japanese Industrial Standards Committee.