Postal Code: 077-0000

with check digit: 012122
When there is not a mention以下に掲載がない場合
Rumoi-shi留萌市
Hokkai-dou
(aka: Hokkai, Hokkai-do, Hokkai-dou, Hokkaido, Hokkaidou)
北海道

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