20006

20006 is a United States ZIP code in Washington, D.C. It lies in the northwest part of the city and encompasses portions of the central business district and its environs. The area is urban and densely developed, with a mix of high-rise office towers, hotels, and residential buildings, alongside parks and civic spaces.

The ZIP code serves as the postal designation for a core downtown area and has long been associated with Washington's business and government districts. It experiences a large daytime population due to employment centers, while residential density remains lower than in outer neighborhoods.

Transportation and access are strong, with numerous bus routes and ready access to the Washington Metro system in nearby corridors, reflecting the district’s role as a transportation hub for workers and visitors. Notable features within 20006 include various commercial and government-related offices, as well as proximity to major thoroughfares such as Pennsylvania Avenue NW and K Street NW.

The ZIP code is commonly cited in mailing addresses, business listings, and civic references.