Washington, DC

ZIP code 20525 is a special-use postal code in Washington, D.C., associated with the Corporation for National and Community Service, now AmeriCorps, whose headquarters are at 250 E Street SW. The address is in the Southwest Federal Center, near L’Enfant Plaza, the National Mall, Smithsonian museums, and the U.S. Capitol. Because 20525 is an agency-specific ZIP code, these nearby landmarks do not all fall within a conventional neighborhood boundary.