Brand Certified
United States Postal Service
2.8(21 reviews)
Certified by United States Postal Service • Aug 30, 2026
Business Details
91 1st St, Cambridge, MA
02141, United States
Certified by United States Postal Service • Aug 30, 2026
(800) 275-8777
Certified by United States Postal Service • Aug 30, 2026
http://usps.com/postoffice
Certified by United States Postal Service • Aug 30, 2026
About
Certified by United States Postal Service • Aug 30, 2026
Post OfficeCargo ServiceLogistics ServiceShipping ServicePackaging Supply StoreMoney Order ServiceUnited States Postal Service
Visit your local Post Office™ at 91 1st St to find everything you need to send mail and ship packages. Explore our other products and services like money orders, Post Office™ boxes, passports, gift cards, and more
Location
Certified by United States Postal Service • Aug 30, 2026
Hours
Certified by United States Postal Service • Aug 30, 2026
Monday8:00 AM - 5:00 PM
Tuesday8:00 AM - 5:00 PM
Wednesday8:00 AM - 5:00 PM
Thursday8:00 AM - 5:00 PM
Friday8:00 AM - 5:00 PM
SaturdayClosed
SundayClosed
Products & Services
1 list · 15 items
Reviews
2.8
21 reviews
5 stars
9
4 stars0
3 stars0
2 stars
2
1 star
10
- PEPositive EnergyDec 11, 20235.0I visited the post office this morning and had a pleasant experience mailing my parcel overseas. I was assisted by 2 male staff (an older and a younger asian man) and both of them were helpful and careful in making sure that my delivery goes well. Thank you!
- BDBrianna DavisJan 10, 20231.0Some of the laziest postal workers ever. How hard is it to look up a package label when i have the receipt and tracking number ? Why make me buy a second one? Incompetence.
- GLGeorge LinJun 22, 20221.0It’s physically closed even the sign says the store is in the service hour.
- DJDaniel Steven JanericoJun 1, 20225.0BESTEST Service Ok Have Ever Felt So Comfortable And Wanting To Go Here , Since April 2019
Frequently Asked Questions About United States Postal Service
Can I get a passport application at this Post Office?
Yes, Thousands of Post Offices™ accept first-time passport applications for the U.S. Department of State. Most of those locations can also take your passport photo. Please complete and print your passport application form before you apply.
Is an appointment needed for passport services?
Most Post Offices that offer passport services have set hours, and you'll need to schedule an appointment using our online scheduler. We also offer limited Passport walk-in hours at select locations.
Does this location take the photo needed for passports?
For first-time passport and photo services, please make an appointment using our online scheduler.
What is the cost to take a passport photo?
The current fee for a passport photo at USPS is $15.
When does this location do walk-in passports?
We offer limited Passport walk-in hours at select locations.
Can I get a PO Box online?
Yes, you can search for available PO Boxes and reserve one online at https://www.usps.com/manage/po-boxes.htm. The process is quick and secure, and you'll receive instructions for completing your setup in person.
How much is a small PO Box?
PO Box prices vary by location. You can check exact pricing for your area by visiting https://www.usps.com/manage/po-boxes.htm and entering your ZIP Code.
Can you get to the PO Boxes in the lobby after hours?
Most USPS locations offer 24/7 access to PO Boxes in the lobby. Access hours may vary by location, so check with your local Post Office for specific lobby hours.
How can I get a PO Box?
You can apply for a PO Box online or in person at your local Post Office. Just bring two valid forms of ID and your completed application if applying in person. To start online, visit https://www.usps.com/manage/po-boxes.htm.
What time can I check my PO Box weekly and on weekends?
You can check your PO Box during lobby hours, which often include extended hours or 24/7 access. Weekend access may vary. Check with your local Post Office for exact times.
Brand Certified Facts from United States Postal Service
This information is certified by United States Postal Service and published from the brand's official system of record. Data is distributed through an enterprise-grade knowledge management platform. Learn more about our data sources
Certified August 30, 2026Yext Knowledge Graph
- Address
- Categories
- Geo coordinates
- Legal business name
- Hours of operation
- Phone number
- Official website