| City: | Dhs, Virginia |
| City Alias: | Alexandria, Arlington, Chantilly, Fairfax, Falls Church, Herndon, Lorton, Mc Lean, Mclean, Reston, Springfield, Sterling |
| Names to Avoid: | Dept Hs |
| County: | Loudoun County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 9:54:44 PM |
| Population: | No Population Data |
| Area Codes: | 571 / 703 / 826 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 39.1988, -77.6187 |
| Quick Link: |
The U.S. Department of Homeland Security operates multiple Northern Virginia facilities under dedicated ZIP code 20598, serving locations across Loudoun County and the greater Washington metropolitan area. Created in response to the September 11 attacks, DHS consolidated 22 federal agencies under one cabinet department responsible for safeguarding the American homeland. The USPS assigned this unique postal designation in October 2008 to accommodate DHS's sprawling regional footprint.
Postal records identify 216 delivery codes across 9 named facilities, including U.S. Customs and Border Protection (CBP), U.S. Immigration and Customs Enforcement (ICE), and various DHS administrative offices. Mail routes to locations on Air Freight, Boston, Random Hills, Wilson, and Holiday Park roads throughout Northern Virginia. Valid mailing cities span much of the region including Alexandria, Arlington, Chantilly, Fairfax, Falls Church, Herndon, Lorton, McLean, Reston, Springfield, and Sterling, reflecting the department's distributed office network. Census demographic data is not available, consistent with commercial office operations.
| Establishments: | 5 |
| Employment: | 22 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 20598 supports both business and residential activity. According to the Business Census (2024), there are 3 business establishments, employing about 6 people with an annual payroll of $65,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 0Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 3Source: CBP |
| 1st Quarter Payroll: | $19,000Source: CBP |
| Annual Payroll: | $65,000Source: CBP |
| # of Employees: | 6Source: CBP |
ZIP Code 20598 is located in Loudoun County, Virginia, within the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area (CBSA 47900). This Metro area has a population of 5,582,170 people, about 0.00% of whom live in ZIP Code 20598, and is subdivided into the Arlington-Alexandria-Reston, VA-WV 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: | Arlington-Alexandria-Reston, VA-WV (CBSA Div 11694)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: | No DistrictsSource: USPS |
| Congressional Land Area: | sq miSource: Census |
| PMSA: | Washington, DC-MD-VA-WV PMSASource: Census |
| Intro Date: | 2008-10Source: ZIP-Codes.com |
| Place FIPS Code: | --Source: Census |
| Place Name: | --Source: Census |
We could not locate which school district 20598 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 March 1, 2026.