Postal Code: 371-0000

with check digit: 102016
When there is not a mention以下に掲載がない場合
Maebashi-shi前橋市
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.