# yu-bin.net

- **Website:** <https://yu-bin.net>
- **Primary alias:** `yu-bin.net`

## Description

Yūbin Net is a Japanese postal-code search service designed to make finding postal information straightforward for people of all ages and useful for business tasks. Users can search for an address from a postal code, find a postal code using a place name or other keywords, and look up locations for organizations such as companies, schools, and hotels. Search options include browsing by prefecture and searching general or business-office postal codes. The site lists 124,827 general postal-code records and 22,427 business-office records.

Its data is based on the latest postal-code directory published by Japan Post and is updated monthly; the site reports using data issued on August 31, 2026. Yūbin Net has provided its service since 2000 and also offers information about a free Windows postal-code search application called Yūka. The site is managed by D-Net Co., Ltd. and clearly states that it is not operated by Japan Post or the postal service. Additional site features include downloadable wallpapers and illustrations, along with a feedback channel and privacy information.

## Industries

- 🗺 Reference Materials
- 🗺 Public Records and Directories _(under Reference Materials)_

## Colors

| Name | Hex | Theme |
| --- | --- | --- |
| Apple | #669933 | accent |
| Persian Blue | #1d3fad | dark |
| Spring Wood | #f9f7f2 | light |

## Fonts

- Noto Sans JP — asset _(google)_

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_Source: <https://brandfetch.com/yu-bin.net>_
_See [/llms.txt](/llms.txt) for a full list of agent-readable pages, and [/auth.md](/auth.md) for how agents authenticate._