| City: | Washington, District of Columbia |
| Names to Avoid: | Dept Transportation |
| County: | District Of Columbia County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 9:54:39 PM |
| Population: | No Population Data |
| Area Codes: | 202 / 771 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 38.8757, -77.0030 |
| Quick Link: |
The U.S. Department of Transportation headquarters at 1200 New Jersey Avenue SE operates under dedicated ZIP code 20590 in Washington's Navy Yard neighborhood. Established by Congress on October 15, 1966, DOT began operations on April 1, 1967, consolidating transportation-related functions previously scattered across multiple agencies. The department employs nearly 55,000 people nationwide and oversees administrations including the Federal Highway Administration, Federal Aviation Administration, and Federal Motor Carrier Safety Administration. This postal designation has served DOT headquarters for over two decades.
The compact 0.01-square-mile boundary encompasses the department's Southeast Washington headquarters, accessible via the Navy Yard Metro station on the Green Line. Census demographic data is not available for this ZIP, consistent with its function as a federal office complex without residential population. Washington is the valid mailing city for correspondence to the Department of Transportation.
| Establishments: | 11 |
| Employment: | 234 |
| Residential: | 0 |
| Business: | 1 |
ZIP Code 20590 supports both business and residential activity. According to the Business Census (2024), there are 11 business establishments, employing about 156 people with an annual payroll of $15,785,000. 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: | 11Source: CBP |
| 1st Quarter Payroll: | $4,068,000Source: CBP |
| Annual Payroll: | $15,785,000Source: CBP |
| # of Employees: | 156Source: CBP |
ZIP Code 20590 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 5,582,170 people, about 0.00% of whom live in ZIP Code 20590, 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: | 5,582,170Source: 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 20590 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 February 1, 2026.