| City: | Washington, District of Columbia |
| Names to Avoid: | Gov Printing Office |
| County: | District Of Columbia County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 9:52:52 PM |
| Population: | No Population Data |
| Area Codes: | 202 / 771 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 38.8996, -77.0109 |
| Quick Link: |
The Government Publishing Office operates under dedicated ZIP code 20401 on Capitol Street in Washington, D.C. Established in 1861, the GPO (formerly Government Printing Office) produces and distributes official federal government publications. The agency prints the Congressional Record, Federal Register, Code of Federal Regulations, and other official documents. It operates the largest printing plant in the federal government. This postal designation has been in place for over two decades.
Postal records show 4 ZIP+4 codes routing to the Government Printing Office and U.S. Public Printer on Capitol Street in the H Street-NoMa neighborhood of Northeast Washington. The compact 0.01-square-mile boundary covers the main printing facility. Census Business Patterns shows 3 establishments with 47 employees. Census demographic data is not available. Washington is the valid mailing city for this designation.
| Establishments: | 3 |
| Employment: | 47 |
| Residential: | 0 |
| Business: | 1 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 20401 supports both business and residential activity. According to the Business Census (2024), there are 3 business establishments, employing about 55 people with an annual payroll of $3,787,000. 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: | 3Source: CBP |
| 1st Quarter Payroll: | $841,000Source: CBP |
| Annual Payroll: | $3,787,000Source: CBP |
| # of Employees: | 55Source: CBP |
ZIP Code 20401 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 20401, 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 20401 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.