Cambridge Post Office

770 Massachusetts Ave, Cambridge, MA 02139

Contact Numbers

Phone: 617-575-8700
Fax: 617-491-8318
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 6:00am - 7:00pm
Tuesday 6:00am - 7:00pm
Wednesday 6:00am - 7:00pm
Thursday 6:00am - 7:00pm
Friday 6:00am - 7:00pm
Saturday 6:00am - 5:00pm
Sunday Closed

Last Collection Times

Monday 7:00pm
Tuesday 7:00pm
Wednesday 7:00pm
Thursday 7:00pm
Friday 7:00pm
Saturday 5:00pm
Sunday Closed

Passport Walk-In Hours

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

Passport Appointment Hours

Monday 10:30am - 3:30pm
Tuesday 10:30am - 3:30pm
Wednesday 10:30am - 3:30pm
Thursday 10:30am - 3:30pm
Friday 10:30am - 3:30pm
Saturday 7:00am - 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.

Bulk Mail Acceptance Hours

Monday 8:00am - 4:30pm
Tuesday 8:00am - 4:30pm
Wednesday 8:00am - 4:30pm
Thursday 8:00am - 4:30pm
Friday 8:00am - 4:30pm
Saturday Closed
Sunday Closed

  • 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)
  • Packaged Stamps
  • Passport Acceptance
  • Passport Photo
  • Philatelic Services
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • 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:

Inman Square
1311 Cambridge St
0.4 mile away

M I T
84 Massachusetts Ave
0.5 mile away

Soldiers Field
117 Western Ave Ste 1
0.7 mile away

Union Square
18 Bow St
0.7 mile away

Reviews

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Have not receive package that was delivered to the PO on 8/4/23. From Ravens burger puzzles china. Please get back as soon as possible. No notice or anything.Thank you.
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Does anyone know how to get through by phone to the post office. The number provided goes to a mailbox that is full. No one answers and there is no way to leave a message.
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For some reason, I have not received mail at 110 Trowbridge St. for the last three days. Would you please be so kind as to look into this matter? Thank you, Gene H. Bell
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I've used the Central sq. post office for at least 15 years. The staff at the windows are extremely helpful, kind and friendly!! Despite the fact that Covid and budget cuts have made their work harder, employees there work had to help us. .It's rare that I've had to wait a long time. I have no family working for the P.O., and I'm not a robot,
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I stood in line for 30 min (2.30PM; 2/16/22) at the Cambridge post office (770 Mass Ave.) to mail a certified letter with only one customer waiting in front of me. The only window that was open served a customer who had mostly questions one would expect her to ask to a travel agency. However, the friendly postal worker was (too) patiently trying to answer all her questions and even elaborating on them, no matter how long the line behind me grew. Every once in a while, another postal employee poked her head in, as even to awe at the inefficiency, before disappearing again into the back room. Finally, another employee, opened a second window to serve the regular (non-passport) customers. She closed it again right after she had helped me though because a colleague of hers took over for her. My questions to the manager of this post office are: > Where are you? > Why do you tolerate such inefficiency from your team? > Why does this post office handle passport applications when there is no other window open to deal with the regular mail business? As a customer, I do not need post office employees to be chat buddies or travel agents, I need them to be efficient above anything else. As the manager, you are responsible for the performance (or lack thereof) of your team, even at the US Postal Service. I would appreciate if you improved the efficiency of your team and thereby were more respectful of my time, I spend at the post office. Thanks!
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We have not had mail delivery for two days on Saville Street in Cambridge, MA. We are worried about our mail person, Harj. Please see that he is alright. We presume that the postal service is short staffed, like everyone else. Let us know. Thank you. Angela Pendleton
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Hi staff at USPS in Cambridge! How would I schedule a fingerprinting appointment? Thank you! -Victoria Yellman
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J'ai adressé un colis à mon fils le 11 décembre dernier. Il habite 40, Plymouth Street à CAMBRIDGE et n'a pas reçu le colis. Le n° du colis est EK226923144FR. Le CBP pour les douanes américaines m'a informé que le paquet n'avait pas été traité par eux. Ils estiment que le traçage, l'envoi et la livraison du colis est de la responsabilités d'USPS. Merci de m'informer du résultat des recherches que vous voudrez bien effectuer.
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I just received a phone call from a mailwoman who contacted me about a package that had the wrong address. Her name is Dawn Lordan. She was fabulous & really went the extra mile. Thank you so much for having employees like her. Kathy Favro Fine Ingredients 730 Harding St Westfield NJ 07090 998-518-1650
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Hello mrs and mr I appreciate information to send a 2kg shipimg order, from Cambridge post Office, to Republic of Cape Verde. Thanks for the info
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Hi I live in North Cambridge in the Rindge Towers. For some reason, several tenants, including myself stop receiving our mail. We don't even get the junk mail anymore. Is mail not being delivered to our building?
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I need your help locating package sent abroad. According to tracking history, the item is being held. Addressee has not been notified and we don`t know where to go to collect the item. Thanks for your response.
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Good Morning, Tracking # 9114902307224564. Marg Chernosky called to hold package for son Luke. 1 Washington Court. I called several times and cant get through to anyone.
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We are having a problem with mail delivery - we are a business and do not receive mail everyday - could this be checked out please our address is 54 Washburn Ave Cambridge 02140
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