Carnegie Mellon University

UPDATES: Please note these guidelines when sending packages to campus through Also, if you cannot pick up a package during business hours, you may request your package be moved to our parcel pickup lockers.

Winter Break hours.

The CMU Postal Service will close at 11:00am on December 22,2022 and will remain closed until January 3, 2023. We will resume normal business hours on the 3rd of January.

Get help sending mail to and from Carnegie Mellon University. Postal Services is CMU's full-service United States Postal Service (USPS) mailing and shipping facility.

Learn more about our incoming and outgoing mail services and policies. We also offer additional services, such as money orders, stamps and mailing supplies.

Questions? View our FAQ or contact us for help.