OAP Tower
Tenmabashi, Kita-ku, Osaka-shi, Osaka-fu

OAP Tower(39 floors) has individual postal code number,except for the 530-0042 Tenmabashi, Kita-ku, Osaka-shi, Osaka-fu.

1st floor: 530-6001,2nd floor: 530-6002,3rd floor: 530-6003 ...
Top floor 39th floor: 530-6039Basement or Unknoen floor: 530-6090
Japan Postal Code List ver.22.12a (2023-01-19 13:41:06 JST) by Fabrice Co. www.fabrice.co.jp external link