OPM acts as the personnel office for retired letter carriers, and is the agency responsible for administering retirement, health and life insurance benefits.
Before you call or write to OPM, be sure to have your Civil Service Annuity (CSA) number ready.
888-767-6738
For general inquiries.
202-606-0500
General inquiry number for retirees in the Washington, D.C. area.
Write to OPM Mail your written inquiries to: Office of Personnel Management, Retirement Operations Center, Boyers, PA 16017 (unless OPM has specified a different address for a specific action such as health benefits open season).
