Service areas & Charges: Using overseas (au World Service)
Voice calling charges (tax exempt)
Voice calling charges differ depending on country and region you are using the service.
Charges will be incurred for incoming calls while overseas.
|Domestic call within your destination country||International call to Japan||International call to a country other than Japan||Incoming call received in your destination country|
How to view the table of charges
- [*] Charges of SMS (C-mail) sent from a smartphone using the au World Service GSM service will be shown as charges of outgoing SMS (C-mail) sent using the au World Service GSM service on the fee confirmation page or billing statement.
Data communication charges (tax exempt)
The same flat rate is applied to data communications regardless of country and region.
- [*]Minimum ¥50/message will be charged separately for up to 50 packets.
- * Use of the Xperia™ acro IS11S in the GSM area is only available for voice calls.
World Data Flat
Use the service in the same way as in Japan!Data communications are available at the worry-free flat rate of ¥980 for 24 hours from when you start the service.
Two-step data flat for Overseas
Up to 24.4 MB of data communications for a maximum charge of ¥1,980/day, and ¥2,980/day no matter how much you use!
Service areas and table of charges (PDF) (in Japanese only)
See a PDF of service areas for au World Service and a table of charges. Print it out and take it with you when you travel. [As of May 23, 2017]
4G LTE smartphone/tablet users
3G smartphone(including iPhone 4S)/au mobile phone users
The available countries, regions, and cities may change due to specific circumstances of local carriers.
Area maps include information that is owned by Europa Technologies & Mosaik Solutions and each carrier.
Carriers that appear in the list may not be available due to communications circumstances in the destination country or region. KDDI is not responsible for the unavailability of carriers.
When planning to use your mobile phone overseas, make sure to check these important notes and information about service areas before you travel.