Postal Code: 300-0203

with check digit: 082309
Iwatsubo岩坪
Kasumigaura-shiかすみがうら市
Ibaraki-ken
(aka: Ibaraki, Ibaraki-ken, Ibarakiken)
茨城県

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