Postal Code: 747-0000

with check digit: 352063
When there is not a mention以下に掲載がない場合
Houfu-shi防府市
Yamaguchi-ken
(aka: Yamaguchi, Yamaguchi-ken, Yamaguchiken)
山口県

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