Postal Code: 360-0831

with check digit: 112020
Kubojima久保島
Kumagaya-shi熊谷市
Saitama-ken
(aka: Saitama, Saitama-ken, Saitamaken)
埼玉県

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