Area
-
The coverage percentage is calculated based on areas within the approximately 500m grid areas used in the national census with a communication availability of 50% or higher.
Information listed is as of the end of December 2020. This information is subject to change.
Applies to 4G LTE (800MHz)-compatible devices.
Does not apply to iPhone 5 or iPads (2012 model).
What about au's network and service areas would you like to learn more about?
Look up service area map
The following 4 types of areas can be looked up on the service area map
- 5G area
au 5G service is available starting March 26th, 2020 in a limited number of service areas and is set to include the other areas as it becomes possible. (5G phones can be used in 4G LTE areas in addition to in 5G areas. As there is initially a limited number of 5G service areas, 4G LTE areas will be where 5G phones are mainly used. Please carefully review the au 5G service areas before signing a contract for a 5G phone.)
- 4G LTE area
- 3G area
- WiMAX 2+ area
Look up by ZIP code, address, or keywords
(You will be taken to a different site for the search)
Due to a server error, we are currently unable to perform a character search. We apologize for the inconvenience.
Keyword examples: Tokyo Station, Kusatsu Onsen, Tokyo Tower, etc.
Look up by prefecture
Select a prefecture
[About 5G <NR conversion> areas]
- A software update is required to use 5G communications in these areas. The start date of the update will be announced gradually.
- As of February 26, 2021
- As of February 26, 2021
- The service area differs for some of the 5G-compatible models. Check the following list for the compatible models and covered areas.
[Service area for Wi-Fi routers]
- Check below for details on the service area for Wi-Fi routers (except Speed Wi-Fi 5G X01).
- The service area differs for Speed Wi-Fi 5G X01.
Click here to find out more about other service areas (in Japanese only)
- We will gradually terminate our roaming service in some Rakuten Mobile areas, and in principle, we plan to terminate our roaming service in Tokyo by the end of fiscal year 2020.
Learn more about 5G
5G areas are expanding!
You can look up the status of measures for routes and commercial areas.
Further details about 5G technology and features are also available.
I am having trouble getting signal
We respond within 24 hours!*2
There are cases where problems with signal in the home or workplace are improved with the installation of a specialized device (free).
Support service is also available at stores or restaurants that you frequent as well as other locations away from the home or workplace.
-
Excludes the year end/New Year holidays. Also excludes Saturdays, Sundays, and holidays in the case of the workplace.
Email responses are excluded as responses made within 24 hours.
Learn more about our efforts for au network
Increasing network strength for an event
In order to allow our users to use our mobile phone services more easily at music festival, fireworks festival, and other event locations where many people gather, au reinforces the peripheral base stations and strengthens the signal using car base stations, etc.
We have achieved coverage of 99.9％*3 over a large area
au users enjoy a service area with 99.9％*3 coverage with 4G LTE. Get reception whenever you need it in all kinds of locations, including on mountain trails, at World Heritage sites, campsites, and more.
-
The coverage percentage is calculated based on areas within the approximately 500m grid areas used in the national census with a communication availability of 50% or higher.
Information listed is as of the end of December 2020. This information is subject to change.
Applies to 4G LTE (800MHz)-compatible devices.
Does not apply to iPhone 5 or iPads (2012 model).
See whether 4G LTE can be used in the following locations (in Japanese only)
We work to keep you connected 24 hours a day, 365 days a year
Our Mobile Operations Center monitors communication conditions nonstop all over the country, 24 hours a day and 365 days a year.
Even in the unlikely event of a malfunction, we are able to quickly and reliably perform system restoration work to provide reliable and stable service to our customers.
au provides a network with "stable communication quality" even in buildings, such as shops and office buildings.
There are also many other things that we work with here at au
Announcement regarding the discontinuation of service for devices that do not support "au VoLTE"
As of the end of March 2022, devices that do not support the au high sound quality voice call service "au VoLTE" can no longer be used. Customers using devices that do not support "au VoLTE" may continue to use their devices until the discontinuation. However, after the service discontinuation of these devices, a switch to devices that support "au VoLTE" will need to be made to continue using au services.
- If you are using iPhone 7, iPhone 7 Plus, iPhone SE, iPhone 6s, iPhone 6s Plus, iPhone 6, iPhone 6 Plus, or GRATINA 4G KYF34 with the settings for the "Voice & Data" communications options set to "3G" or "4G and VoLTE Off", communications will become unavailable once this service ends. Please set your usage settings to au VoLTE. For details, check the following.
- Depending on the facilities, this may be unavailable in the event of a power outage. Click here for details.
- The service areas covering prefectural and municipal offices, which are important disaster prevention sites, are equipped with large scale batteries and generators as a countermeasure against power outages. Click here for details.
- Each of the communication speeds listed is the best-effort service. Note that the maximum communication speed is not the actual communication speed, but the maximum value based on the technical standards. The actual speed may fall substantially short of the maximum for various reasons including the customer's communication environment and traffic conditions even within service areas, or there may be cases where communication is not available at all. Communication speeds also depend on the capabilities of devices. The communication speed is the maximum communication speed within technological standards at the time this is printed and may change from this point on, with reduction in speed included as a possibility.
- The service name "4G LTE" conforms to the statement of the International Telecommunication Union that has approved LTE to be called "4G".
