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Contact the CIS Ombudsman

Before you consider contacting the Office of the Citizenship and Immigration Services Ombudsman (CIS Ombudsman), read our Case Assistance Alerts and Frequently Asked Questions page to see if we have addressed your issue and if your issue is a type of case we can help with.

Case Assistance

Email

Other Ways to Contact Us

  • Call the CIS Ombudsman

    Use this number to call to speak to a representative from out office about your case assistance request. Please visit the How to Submit a Case Assistance Request page for more information. 

    Our hours of operation are Monday through Friday, 9 a.m. to 5 p.m. Eastern. We encourage you to email us if you are not able to reach us by phone.

  • Mailing address

    Office of the Citizenship and Immigration Services Ombudsman
    Department of Homeland Security
    Mail Stop 0180
    Washington, D.C. 20528

    If you choose to send information to us by mail, please know that delivery may be significantly delayed due to security measures with the government mail system (even for overnight couriers and express mail).

 

Last Updated: 05/14/2025
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