REPORTING A DEATH
You can report the death in one of three ways:
Call 1-888-767-6738 (1-88USOPMRET).
The phone lines are open from 7:40 AM to 5:00 PM (EDT). It is a busy phone number so you may want to try early in the morning or after 5:00PM when the phone lines are less busy.
U.S. Office of Personnel Management
Retirement Operations Center
P.O. Box 45
Boyers, PA 16017-0045
Include the deceased annuitant's full name, name of deceased, date of death, retirement claim number and/or social security number.
Fill in and submit our online reporting form. https://www.opm.gov/retirement-services/my-annuity-and-benefits/life-events/death/report-of-death/