---
title: "auオフィスナンバー — App Overview"
url: https://marlvel.ai/apps/au
category: Business
developer: KDDI CORPORATION
platforms: ios, android
rating: N/A (0 ratings)
pricing: free
report_level: overview
generated: 2026-05-05
last_verified: "2026-05-05T20:39:01.824Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This is a mandatory utility app for KDDI corporate clients to route mobile calls through their registered fixed-line business numbers.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Business |
| Rating | N/A ★ (0) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | iOSアプリ バージョン iOSアプリ バージョン 10.0.5 |
| Latest Version (Android) | VARY |
| Developer | KDDI CORPORATION |

<!-- SECTION: Summary -->
## What is auオフィスナンバー?

auオフィスナンバー is a dedicated dialer application for KDDI's corporate mobile services, enabling users to utilize fixed-line (0AB-J or 050) numbers on their mobile devices. The app automatically manages call routing by appending necessary prefixes to outgoing calls, ensuring seamless integration with the au office network.

<!-- SECTION: Key Features -->
## Key Features

- **Automatic Prefix Dialing**: Automatically detects phone numbers and appends the required special prefix for outgoing calls.
- **Fixed-Line Number Integration**: Enables the use of 0AB-J or 050 fixed-line numbers for both incoming and outgoing calls on mobile devices.
- **Clipboard Integration**: Automatically pastes copied phone numbers to the top of the 'Frequently Used' list for quick access.
- **Call History Management**: Provides a dedicated interface for viewing and managing call history specifically for the app's services.

<!-- SECTION: Target Audience -->
## Who is it for?

Corporate users subscribed to KDDI's 'auオフィスナンバー' or 'オフィスケータイパック' services.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/au%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B9%E3%83%8A%E3%83%B3%E3%83%90%E3%83%BC/id548214341?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=com.kddi.android.auofficenumber&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/apps/au)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/au).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*