Japan Post Bank

Japan Post Bank Co. Ltd is a government owned banking services provider in Japan. It is owned Japan Post Holding Co. Ltd which is owned 100% by the Japanese government. It may plan an IPO in 2015. It was established as a bank in 2006, but it provided postal savings services since 1875. As at 2013, it had 24,215+ outlets ( 23,981 post offices and 234 branches) as well as 26,669 ATMs. Some of its savings and deposit products it offers include ordinary savings accounts, high interest savings accounts, fixed rate time deposits and government bonds.

Within Japan you can contact them by telephone on:  0120-794889

Its head office in 1-3-2 Kasumigaseki, Chiyoda-ku, Tokyo 100-8798

Source: http://www.jp-bank.japanpost.jp