Telephone Numbers

MHBP has served federal and postal employees and retirees for over 50 years. So we know how important good customer service is to you. Contact us to find providers, answer benefit questions, check claims status, get general health information and more.

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Mailing Addresses

For medical claims, prescription drug claims, MHBP Dental Plan claims, MHBP Vision Plan claims, or other correspondence use the respective MHBP mailing address.

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Request Information

Would you like information about MHBP mailed to you? You can request an official plan brochure and summary benefit information by completing the online form.

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Change Your Address

If you’ve moved or are planning to, please let us know. We can update our records to help ensure that you don’t miss any important information about your benefits and claim payments.

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Enrollment Information

If you are interested in enrolling in an MHBP health insurance plan, here you’ll find instructions for Federal and Postal employees and retirees.

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Live Help

Have questions and need help from a representative? MHBP offers multiple ways to get live help. Use our online chat feature to contact an MHBP customer service representative.

If Live Help isn’t available, call 1-800-410-7778 (TTY: 711) or leave a message for Live Help. Just select the link and supply the necessary information. Do not include any personal health information.