Format guide
What makes up a Japan address?
Japan addresses usually follow “Postal code, prefecture, city/ward, chome-banchi”. On international forms, keep local place and street spellings, and use the English country name Japan instead of translating proper nouns yourself.
Postal codes
3 digits + hyphen + 4 digits. Samples on this page only show structure and cannot be used to judge real delivery coverage.
How to use test data
In development you can use these samples to check field length, line breaks, international characters, and responsive layouts. For payment, identity, logistics, or compliance flows, use official sandbox data from your provider—do not submit these samples to live systems.