Postal Code: 377-0000

with check digit: 102083
When there is not a mention以下に掲載がない場合
Shibukawa-shi渋川市
Gunma-ken
(aka: Gunma, Gunma-ken, Gunmaken)
群馬県

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