JP · JPN

Japan My Number format

Official and reviewed ID format references, with permanently masked examples for copy and QA. This site does not validate identity IDs.

Official public format

My Number

個人番号

Regex^\d{4} \d{4} \d{4}$

9852 381* 1083

Regex and masked examples are reference only. This page does not validate identity IDs.

Data provenance

Data snapshot: 2026-09-21