# Zip Codes of Japan

> Offline Japanese zip code finder with search, bookmarking, and map integration. (iPhone/iPad app by AOBO Co.,Ltd.)

- Source: https://appshunter.io/ios/app/zip-codes-of-japan/id521024330 (this page in markdown: same URL + `.md`)
- Developer: [AOBO Co.,Ltd](https://appshunter.io/developer/310846199)
- Category: Reference, Business
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 4 MB
- Languages: American English, Japanese, Chinese (Simplified, China)
- Released: 2012-05-03
- Data updated: 2026-08-30
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/zip-codes-of-japan/id521024330/reviews.md

## What is Zip Codes of Japan?

This is a helpful application that let you find latest Zip codes of Japan in off-line mode.

You should download all data of Zip codes at first, before you search Zip Code in this application.
(The downloaded data can be updated automatically).

Features:

1, The latest data about zip code can be downloaded from Japan Post Service Co., Ltd directly and be extracted automatically.

2, Find the zip code(resident address and company address) base on States and cities.

3, Search zip code by in putting zip code/kanji/kana or free words like 横浜 中央(the space is a must, if you want to search with two key words) in search box. .

4, Bookmark your often used zip code, which also can be saved in iCloud.

5, Confirm the zip code location on Map(on-line/Internet needed).

6, You can copy, mail zip code information or add them to your contract. 

7,  In the detail screen, you can find the zip code, old zip code and the address. If you download the data of Romaji, you can also find the address in Romaji style.


Notice:
 
1, You should download all the latest zip code data at first after you install this application.

2, If you always want to use latest zip codes of Japan, you should download the data once every month, because the data are changed every month by Japan Post Service Co., Ltd.

3, The internet environment is needed for viewing zip code information on Map and current location.

## Key features

- Offline zip code lookup
- Search by state, city, or keywords
- Bookmark favorite zip codes
- View zip code locations on map
- Copy and share address information
- Includes old zip codes and Romaji addresses

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/zip-codes-of-japan/id521024330/reviews.md

### 1/5 — 微妙な感じ

*2024-06-19*

ローマ字表記があるので入れたのに
でてきません。
1画面ででてくるのが魅力だったのに
外国人と仕事しているので見せると理解できて良いなぁと思ったので残念です

**Developer response:** アプリ不具合のご報告ありがとうございます。

調査した結果、日本郵便局がローマ字データをダウンロードするためのURLを変更しましたため、ローマ字情報がダウンロードすることが出来なくました。

この問題を解消するため、アプリを更新しました。最新のアプリをダウンロードして頂いて、もう一度ご確認頂ければ、幸いです。

### 1/5 — 使えない

*2018-11-14*

全然使えない
何回もデータが無いとなる

### 4/5 — なかなか良い

*2014-02-18*

事業所の住所やローマ字住所まで表示されて、なかなか良いです。住所がコピペできるともっと便利かも。

### 2/5 — 検索ができません

*2012-07-25*

町名検索、7桁郵便番号からの検索ができなければ意味ないです。
事業所名の検索ができるのですが？？

## Frequently asked questions about Zip Codes of Japan

### Does Zip Codes of Japan have ads?

Yes, Zip Codes of Japan contains advertisements. This is how the app is able to remain free for users.

### How often is the zip code data updated in Zip Codes of Japan?

The zip code data is updated monthly by Japan Post Service Co., Ltd. Users are advised to download the latest data once every month to ensure accuracy.

### Can I use Zip Codes of Japan without an internet connection?

Yes, the core functionality of finding zip codes works offline after the initial data download. However, viewing zip code locations on a map requires an internet connection.

### What information is available for each zip code in Zip Codes of Japan?

For each zip code, you can find the current zip code, the old zip code, and the full address. If Romaji data is downloaded, addresses will also be available in Romaji.

### How do I search for a zip code in Zip Codes of Japan?

You can search by state and city, or by inputting the zip code, kanji, kana, or free words. A space is required when searching with multiple keywords.

### Can I save frequently used zip codes in Zip Codes of Japan?

Yes, you can bookmark your often-used zip codes. These bookmarks can also be saved to iCloud for easy access across devices.

### What devices is Zip Codes of Japan compatible with?

Zip Codes of Japan is available for iPhone, iPad, and iPod devices. It is rated for ages 4 and up.

### When was Zip Codes of Japan last updated?

The latest version of Zip Codes of Japan, version 2.02, was last updated on July 17, 2026.

## Version history (last 5 releases)

### 2.02 — 2026-07-17

Updated to new url for downloading data.
Support dard mode.

### 2.0.1 — 2025-03-03

1, Updated to latest SDK.
2, Fixed bug.
3, Added function in detail screen to reading address in Japanese.

### 2.0.0 — 2023-03-15

1, Adjustment of UI.
2, Updated to latest SDK.

### 1.88 — 2022-10-27

Minor adjustment of UI

### 1.87 — 2022-10-01

Minor adjustment of UI.

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## Related topics

[zip codes of japan](https://appshunter.io/ios/topics/zip-codes-of-japan)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-30.*