Mail at Merrimack

The campus post office, operated as a contract unit of the United States Postal Service, serves the entire campus community.

COVID-19 Updates

Merrimack is committed to providing our community with a safe and supportive learning environment during COVID-19. 

Post Office COVID-19 Updates

We handle all college mail sorting and delivery and maintain student mailboxes.


We are on the second floor of the Sakowich Campus Center.


Window Hours
Monday through Friday
8:30 a.m. to 4 p.m.

Special Hours
Closed weekends and on college holidays
Open summer and during academic breaks 

Services Available

  • Purchase stamps and U.S. Postal Service money orders.
  • Send express mail, priority mail, certified mail, registered mail, insured mail and international mail.
  • Get ZIP codes and postal information.

Payment Methods

  • Cash
  • Checks (with ID)
  • Debit and credit cards
  • MACK bucks
  • Money orders may be purchased with cash and debit cards only.