JA Bldg. - Ootemachi, Chiyoda-ku, Tokyo-to

JA Bldg.(37 floors) has individual postal code number,except for the 100-0004 Ootemachi, Chiyoda-ku, Tokyo-to.

1st floor: 100-6801,2nd floor: 100-6802,3rd floor: 100-6803 ...
Top floor 37th floor: 100-6837Basement or Unknoen floor: 100-6890

Japan Postal Code List ver.22.12a (2023-01-19 13:41:06 JST) by Fabrice Co. https://www.fabrice.co.jp/