Call charges/SMS communication charges

Information on call charges and SMS communication charges

Call charge

Domestic call charges 20 yen (22 yen including tax) / 30 seconds
International call charges/overseas roaming call charges Complies with au international calling and international roaming charges

Click here for international roaming service (GLOBAL PASSPORT) for use overseas (KDDI site)

  • A separate universal service fee is required.

Click here for information on charges for various options and accessories such as unlimitedUnlimited calls for 5 minutes, terminal guarantee,answering service, etc.

SMS communication charges

For sending long text SMS, the charge will be according to the number of characters as follows. Receiving is free.

Domestic transmission

Number of characters sent transmission fee
70 double-byte characters or less 3 yen (3 yen including tax)/ message
134 double-byte characters or less 6 yen (6 yen including tax)/ message
135 full-width characters or more 9 yen (9 yen including tax)/ message
+3 yen for every 67 double-byte characters (3 yen including tax)

(Example) 336 to 402 full-width characters: 18 yen (19 yen including tax)/message

International transmission

Number of characters sent transmission fee
70 double-byte characters or less 100 yen/message
134 double-byte characters or less 200 yen/message
135 full-width characters or more 300 yen/message
+100 yen for every 67 double-byte characters

(Example) 336 to 402 double-byte characters: 600 yen/message

About using overseas

J:COM MOBILE can be used overseas with the "International Roaming Service (au World Service)" for calls and SMS only. Mobile data communication is not available overseas, so if you want to use email or the Internet overseas, please use an overseas Wi-Fi router or local Wi-Fi connection service.

Click here for details on how to use overseas

PR Wi-Ho!, where you can rent a Wi-Fi router for overseas use! Click here for details


Procedures such as contracting and changing models are cumbersome.

You can easily apply online. Visiting support is also available upon request.

You can apply for J:COM MOBILE online. You can complete the process from the comfort of your own home, so there is no need to go to a store and wait for a long time.

Once you receive your smartphone, you can receive free support if you wish. We will provide detailed instructions on how to use your smartphone, as well as the initial settings.

About initial setup support

  • Those applying for "J:COM MOBILE D Plan SIM Card" are not eligible.
I want to transfer data such as my phone book to a new smartphone, what should I do?

Solve difficult settings at home. Leave the initial settings of your smartphone to Enkaku Support!

J:COM MOBILE provides free support that provides detailed instructions on initial settings, migration of phonebook data, instructions on how to use the service, etc. for those who wish to do so.

Click here for details

Can I continue to use the email address I'm currently using on my J:COM MOBILE smartphone?

If you are using a free email service such as Gmail, you can continue to use it by logging in or setting up a new device.

Please note that if you are using an email address (domain) issued by some telecommunications companies, you will not be able to use it.

  • There are some services that allow you to continue using carrier mail even after canceling your carrier. Please refer here for details.

J:COM MOBILE does not issue email addresses, so we recommend that you switch to a free email such as G-mail in advance.

Can I carry over unused data usage?

Unused data traffic will be automatically carried over to the next month.

*The remaining amount is valid until the end of the following month.

If the upper limit is exceeded, the speed will be limited to 1Mbps or 200kbps depending on the plan you subscribe to. In addition to the data usage of your contract plan, you can also carry over any additional data usage you purchase to the next month.

Please check here for more information, including expiration dates.

Can I continue to use LINE on my new device?

By completing the appropriate settings and procedures, you can continue to use the service on your new device.

Regarding account migration (handover) procedures, security is regularly strengthened, so please check the latest information on LINE's official blog before proceeding.
(*Please note that settings may be required before changing the model)

How to transfer your LINE account (as of July 2017)

If you are considering signing up or adding services

Sign Up information

[About the amount including tax]

  • Consumption tax differences may occur due to changes in the consumption tax rounding method under the invoice system.