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  • Overview:Welcome Suica Mobile Inquiry Email Form for Those Who Wish to Use the Services

    If you have questions regarding the Welcome Suica Mobile app that are not addressed in the FAQs, please use this form to submit your inquiry. However, please note that we may not be able to provide responses that meet all customer requests or expectations. Additionally, some inquiries may need to be directed to the appropriate support desk of a different company related to your inquiry. We regret that we are unable to respond to inquiries unrelated to Welcome Suica Mobile, such as those concerning plastic Suica cards, railway routes, or timetables. Thank you for your understanding.

    If you are already using the Welcome Suica Mobile app, please submit your inquiry via the Welcome Suica Mobile User Inquiry Email Form.


    • *To ensure accurate understanding, please complete all fields in the form.
    • *It may take a week to 10 days for us to respond. During this time, please refrain from contacting us by phone or submitting repeat inquiries.
  • Contact Email Address
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    For confirmation, please enter your e-mail address again

  • Device Used for Suica
  • Subject of Inquiry
  • If you encountered a malfunction or issue: Error code displayed (leave blank if none)

    *If you encountered a malfunction or issue, please provide the displayed error code and the date and time of the occurrence to speed up our investigation and response.


  • If malfunctions or issues occurred: Date of occurrence

    Example: 20250309


  • If malfunctions or issues occurred: Time of occurrence

    Example: 12:34 PM


  • Notes *Please check the box.

    Before submitting your inquiry, please ensure that your inquiry meets the following condition(s), as only such inquiries will be accepted through this form.

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  • Inquiry Details (1000 characters)
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  • Important Notes
    • *This form is only for inquiries related to the use of Welcome Suica Mobile.
    • *Depending on the inquiry we may not be able to provide a response.
    • *Our response will be specifically tailored to your inquiry; therefore, please refrain from reusing or redistributing any part of our reply.
    • *This form uses SSL encryption to securely transmit entered data, ensuring it is protected online.
    • *Emails from us will be sent from <info@mobilesuica.com>. If your email settings block specific domains, please adjust them to receive emails from this address.
    • *info@mobilesuica.com is a no-reply address. We cannot respond to any emails sent to this address.
    • *Your personal information will only be used for responding to your inquiry.
    • *Depending on your hardware environment, the form may not display properly.
    • *This form uses JavaScript and Cookies. Please enable them in your browser settings.
    • *Responses may take time. Thank you for your understanding.
    • *If the email address provided is incorrect and emails from info@mobilesuica.com cannot be received, we will be unable to respond.
    • *Your personal information will be appropriately managed by JR East in accordance with its Privacy Policy and used solely for this matter. Your information will not be used for other purposes or shared with third parties.
    • *For details, please refer to the JR East Privacy Policy.
  • ご利用状況の詳細
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Please check your information and click the 「Check your entry」 button. A confirmation screen will be displayed.

Upon successful submission, you will receive a confirmation email from info@mobilesuica.com.