| City: | Washington, District of Columbia |
| Names to Avoid: | Immig And Naturalization Ser |
| County: | District Of Columbia County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 4:09:54 PM |
| Population: | No Population Data |
| Area Codes: | 202 / 771 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 38.9015, -77.0234 |
| Quick Link: |
ZIP code 20536 was originally assigned to the Immigration and Naturalization Service (INS), a federal agency that existed under the Department of Justice from 1940 until March 1, 2003. Following the September 11 attacks, the Homeland Security Act of 2002 abolished INS and transferred its functions to three new agencies within DHS: U.S. Citizenship and Immigration Services, Immigration and Customs Enforcement, and Customs and Border Protection. This postal designation has remained in the system for over two decades.
Located in the Washington Mall area of Northwest Washington, postal records show 93 ZIP+4 codes routing to Immigration and Naturalization Service facilities on I Street and 12th Street. The substantial delivery count reflects the agency's former scope of operations. Census demographic data is not available for this ZIP. Washington is the valid mailing city.
| Establishments: | 6 |
| Employment: | 19 |
| Residential: | 0 |
| Business: | 1 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 20536 supports both business and residential activity. According to the Business Census (2023), there are 5 business establishments, employing about 17 people with an annual payroll of $1,221,000. 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: | 5Source: CBP |
| 1st Quarter Payroll: | $307,000Source: CBP |
| Annual Payroll: | $1,221,000Source: CBP |
| # of Employees: | 17Source: CBP |
ZIP Code 20536 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 20536, 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 20536 belongs to, but we will update this once new district data is released. There are 1 public school(s) in this ZIP Code, and we have located 3 private school(s). 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 December 1, 2025.