South Lancaster Post Office

93 Sawyer St, South Lancaster, MA 01561

Contact Numbers

Phone: 978-365-4631
Fax: 978-365-1798
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 7:00am - 5:30pm
Tuesday 7:00am - 5:30pm
Wednesday 7:00am - 5:30pm
Thursday 7:00am - 5:30pm
Friday 7:00am - 5:30pm
Saturday 7:00am - 12:30pm
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 12:00pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday 8:30am - 1:30pm, 2:30pm - 3:30pm
Tuesday 8:30am - 1:30pm, 2:30pm - 3:30pm
Wednesday 8:30am - 1:30pm, 2:30pm - 3:30pm
Thursday 8:30am - 1:30pm, 2:30pm - 3:30pm
Friday 8:30am - 1:30pm, 2:30pm - 3:30pm
Saturday Closed
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Bulk Mail Acceptance
  • Bulk Mail Account Balance
  • Bulk Mail New Permit
  • Burial Flags
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Lot Parking

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:

Lancaster
771 Main St
0.8 mile away

Clinton
320 High St
0.9 mile away

Bolton
1092 Main St
2.0 miles away

Sterling
6 Clinton Rd
2.7 miles away

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