Contact the OIG
You can reach the USPS Office of Inspector General through any of the following channels. Our hotline is staffed around the clock.
Hotline
1-888-877-7644
(1-888-USPS-OIG)
Available 24 hours a day, 7 days a week. TTY: 1-866-OIG-USPS
Email
usps.oig.hotline@uspsoig.gov
Responses typically within 3–5 business days.
Mailing Address
USPS Office of Inspector General
1735 N Lynn St
Arlington, VA 22209-2020