You can find some answers that you might have in your mind here.
If you still have questions, please contact NihonEX Customer Support with Foreign Currency Exchange.
Due to the insufficient of the staff, if you cannot reach us by phone, kindly send us an email as well : info@nihonex.jp
This is our address: 5 - 56 - 3 Nakano, Nakano-ku, Tokyo, 164-0001
NihonEX is a Foreign currency exchange store ,which is run by TT SKY KK Corporation
Please refer to : http://www.nihonex.jp/en/access
On the menu of membership page, there is a customer info option.
You can change your phone number on this page.
To change your email address, please contact us by phone or email.
Our support and yours will help the children’s future. We ask for your cooperation in raising funds.
Foreign Currency Exchange NihonEX agrees with “Japan. Endless Discovery.” Promoted by the Japanese Government.