Postal Code: 990-0408

with check digit: 063029
Oka
Nakayama-machi, Higashimurayama-gun東村山郡中山町
Yamagata-ken
(aka: Yamagata, Yamagata-ken, Yamagataken)
山形県

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