---
id: "jp_postcode"
kind: "pattern"
status: "draft"
is_pii: true
categories: ["geo", "pii", "common"]
country: ["JP"]
langs: ["ja"]
quality: 100
url: "http://registry.apicrafter.io/datatype/jp_postcode"
---

# Japanese postal code (`jp_postcode`)

> **Draft.** Draft records have not been reviewed yet and may be incomplete or wrong; do not treat them as authoritative for legal or compliance decisions.

Postal code (郵便番号) in Japan: seven digits, written as three digits, a hyphen and four digits, often after the 〒 mark.

- Pattern of: `postindex`
- Personal data (PII): yes
- Categories: Geographic identifiers (geo), Personally identifiable information (pii), Common (common)
- Countries: Japan (JP)
- Languages: Japanese (ja)
- Classification: categorical

## Detection

Regular expression (Python `re`):

```
^\d{3}-?\d{4}$
```

## Examples

- `100-0001` — Chiyoda, Tokyo
- `530-0001` — Umeda, Kita-ku, Osaka
- `1000-001` (invalid example)

## Mappings

- fta: `POSTAL_CODE.POSTAL_CODE_JP`

## Supported by tools

- `fta`
- `snowflake`

## Translations

- ru: Почтовый индекс Японии

## Sources

- wikipedia: <https://en.wikipedia.org/wiki/Postal_codes_in_Japan>
- other: <https://github.com/tsegall/fta/blob/main/SemanticTypes.md>

## Quality

Score 100/100.

JSON: <http://registry.apicrafter.io/api/v1/datatypes/jp_postcode.json> · Edit: <https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/JP/geo/jp_postcode.yaml>