Watertown Annex Post Office

Offices closed May 29th in observance of Memorial Day

170 High St, Waltham, MA 02453

Contact Numbers

Phone: 781-893-0694
Fax: 781-899-0626
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Carrier Facility: This location is for mail processing only. For retail services, please use one of the nearby locations below.

  • Business Line
  • General Delivery

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

South Waltham
38 Spruce St
0.4 mile away

776 Main St
0.6 mile away

West Newton
525 Waltham St
0.7 mile away

897 Washington St
1.0 miles away


*Comments below are not read by postal employees. Please do not post personal information.

*By clicking Submit, you agree to our Privacy Policy & Terms of Use.

*postallocations.com is not a part of, or affiliated with, the official United States Postal Service (USPS).