United States Postal Service

2.4
85 reviews
Person picking up a package from USPS smart lockers

About

Post OfficeCargo ServiceLogistics ServiceShipping ServicePackaging Supply StoreMoney Order ServiceUnited States Postal Service
Visit your local Post Office™ at 21 S Summit Ave 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

United States Postal Service
21 S Summit Ave, Gaithersburg, MD
20877, United States

Hours

Reviews

2.4
85 reviews
5 stars
23
4 stars
5
3 stars
3
2 stars
3
1 star
51
  • LD
    L D
    Jul 26, 2025
    5.0
    Best post office ever!!!
  • KG
    KD G
    Feb 21, 2025
    5.0
    I’m there twice a month to pick up mail that’s being held. Staff is friendly, helpful and courteous. Great service.
  • LP
    lionelle PONDE
    Jun 10, 2019
    5.0
    Good and fast customer service
  • CL
    Calvin Law
    Dec 3, 2015
    1.0
    Got there before 2 mins before close they try not let me in and I only need to pickup a package. Too bad where I live is handle by this post office and they miss placed mail to my mail box... Have complain but not improvement...

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.