Post Offices in & near Lancaster, Massachusetts. Operating hours, locations, phone/fax number, services information.
Post Office in Lancaster, Massachusetts on Main St. Operating hours, phone number, services information, and other locations.
Address: 771 Main St, Lancaster, MA 01523
Phone: 978-365-4923
Fax: 978-368-6676
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457