| City: | Washington, District of Columbia |
| Names to Avoid: | Dept Energy |
| County: | District Of Columbia County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:12:12 AM |
| Population: | No Population Data |
| Area Codes: | 202 / 771 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 38.8865, -77.0251 |
| Quick Link: |
The U.S. Department of Energy operates under dedicated ZIP code 20585 in Washington, D.C. President Jimmy Carter signed the Department of Energy Organization Act on August 4, 1977, creating a cabinet department that consolidated more than 30 separate energy functions. Operations began on October 1, 1977, with James Schlesinger serving as the first Secretary of Energy. The department oversees national energy policy, nuclear weapons, and sponsors more physical science research than any other federal agency. This postal designation has served DOE for over two decades.
Situated in the Southwest Employment Area of Southwest Washington, the 0.03-square-mile boundary encompasses the James V. Forrestal Building on Independence Avenue. Postal records show an extraordinary 74 ZIP+4 codes routing to 73 distinct offices and divisions. Mail destinations span the entire departmental structure including offices of Civilian Radioactive Waste Management, Energy Efficiency, Environment, Fossil Energy, and Nuclear Energy.
Census County Business Patterns reports 22 establishments with 368 employees. The concentrated delivery structure reflects DOE's complex organizational hierarchy at headquarters. Census demographic data is not available for this ZIP. Washington is the valid mailing city for DOE correspondence.
| Establishments: | 22 |
| Employment: | 368 |
| Residential: | 0 |
| Business: | 1 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 20585 supports both business and residential activity. According to the Business Census (2024), there are 22 business establishments, employing about 372 people with an annual payroll of $34,749,000. USPS data shows 0 residential mailboxes and 1 business mailboxes, reflecting local delivery coverage.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 1Source: USPS |
| Total Delivery Receptacles: | 1Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 22Source: CBP |
| 1st Quarter Payroll: | $9,650,000Source: CBP |
| Annual Payroll: | $34,749,000Source: CBP |
| # of Employees: | 372Source: CBP |
ZIP Code 20585 is located in District Of Columbia County, District of Columbia, within the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area (CBSA 47900) and District of Columbia's 98th Congressional District. This Metro area has a population of 6,263,796 people, about 0.00% of whom live in ZIP Code 20585, and is subdivided into the Washington, DC-MD division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Washington-Arlington-Alexandria, DC-VA-MD-WVSource: Census |
| CBSA Number: | 47900Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Washington, DC-MD (CBSA Div 47764)Source: Census |
| CBSA Population: | 6,263,796Source: Census |
| MSA: | Washington-Baltimore, DC-MD-VA-WV CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 98Source: USPS |
| Congressional Land Area: | 61.40 sq miSource: Census |
| PMSA: | Washington, DC-MD-VA-WV PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 1150000Source: Census |
| Place Name: | Washington city; District of ColumbiaSource: Census |
We could not locate which school district 20585 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on January 1, 2026.