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Live Help
Have questions and need help from a representative? We offer multiple ways to get live help. Use phone or our online chat feature to contact a MHBP customer service representative.
Contact Numbers
At your service. Call us to find providers, ask benefit questions, check claims status, order a replacement ID card, learn about programs and resources available to you and more.
Mailing Addresses
For medical claims, pharmacy claims, or other correspondence, use the respective mailing addresses
Request Information
Would you like information about RCBP mailed to you? You can request an official plan brochure and summary benefit information by completing the online form.
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.
Enrollment Information
Enrolling or switching your health plan is easier than you’d expect. If you’re a new Postal Service employee enrolling for the first time, or are ready to switch your health plan.
Overseas Members
Support wherever you are. You may be out of the country, but you’re not out of reach of your plan and benefits. You may speak to an Overseas team member 24/7 .
Register for a Live Webinar
Register for a live webinar hosted by the RCBP team and get answers to your questions. Or watch our on-demand webinars anytime.
Have questions? We’re here.
Call 1-800-638-8432 (TTY: 711)
Monday–Thursday, 8 AM–5:30 PM ET and Friday, 8:30 AM–5:30 PM ET