Mail Services | United States Postal Service
475 L'Enfant Plaza Southwest, Room 4012, Washington, DC 20260
Eligibility
Open to all.
Required documents
Varies
contact for details.
800-275-8777
Voice·
Main
Websitehttps://www.usps.com
Application process
Call or visit website for information.
Service area
MD
Other Information
Special Populations
- Open to All
Languages
- Interpretation Services Available
Payment Options
- Free or no-cost care
- Case or Self-payment
Offers mail delivery, shipping, stamps, zip codes, mailing rates, and international mailing services. Government Offices and Services More information:
- Location tools available to to locate a post office or find the city or county of an address.
Last assured
02/07/2026
What's Here
Providing organization
United States Postal Service
National and international postal delivery agency.