Harvard Square Post Office

125 Mount Auburn St Ste 1, Cambridge, MA 02138

Contact Numbers

Phone: 617-876-3883
Fax: 617-876-8508
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 7:00am - 6:30pm
Tuesday 7:00am - 6:30pm
Wednesday 7:00am - 6:30pm
Thursday 7:00am - 6:30pm
Friday 7:00am - 6:30pm
Saturday 7:00am - 3:30pm
Sunday Closed

Last Collection Times

Monday 6:00pm
Tuesday 6:00pm
Wednesday 6:00pm
Thursday 6:00pm
Friday 6:00pm
Saturday 3:00pm
Sunday Closed

Passport Walk-In Hours

Monday Closed
Tuesday 9:00am - 10:00am
Wednesday 9:00am - 10:00am
Thursday Closed
Friday 9:00am - 10:00am
Saturday Closed
Sunday Closed

Passport Appointment Hours

Monday 10:00am - 4:00pm
Tuesday 10:00am - 4:00pm
Wednesday 10:00am - 4:00pm
Thursday 10:00am - 4:00pm
Friday 10:00am - 4:00pm
Saturday 7:30am - 3:00pm
Sunday Closed

  • Visit our Passport FAQ page for a complete overview of what to bring, what you need to know, and how long it will take.
  • You will need two forms of Identification with copies.
  • A passport quality photo. Available at location.
  • The appropriate application form printed and filled out, and the required fee for applying or renewing.
  • You can find up to date costs, information, and forms at the State Departments Travel Site

*Appointments are required outside of walk-in hours to apply for or renew US Passports. Please Call or schedule online.

  • Burial Flags
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Packaged Stamps
  • Passport Acceptance
  • Passport Photo
  • Philatelic Services
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Street Parking
  • Passport Appointment Hours

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:

Soldiers Field
117 Western Ave Ste 1
0.3 mile away

Porter Square
1953 Massachusetts Ave
0.7 mile away

Cambridge
770 Massachusetts Ave
0.7 mile away

West Somerville
58 Day St Ste 100
0.9 mile away

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