| City: | Washington, District of Columbia |
| Names to Avoid: | Government Agency |
| County: | District Of Columbia County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:10:23 AM |
| Population: | No Population Data |
| Area Codes: | 202 / 771 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 38.8927, -77.0366 |
| Quick Link: |
ZIP code 20522 serves the U.S. Department of State at its C Street headquarters location in Washington, D.C. The department, established in 1789 as America's first executive agency, handles foreign policy, international negotiations, and diplomatic relations. This postal designation has been active for over two decades, supporting mail operations at the State Department's main campus.
Located in the Washington Mall area of Northwest Washington, postal records identify 33 ZIP+4 codes routing to the State Department building on C Street. The focused delivery count reflects a specific departmental function rather than campus-wide distribution. Census demographic data is not available for this ZIP, consistent with its federal government function. Washington is the valid mailing city for correspondence.
| Residential: | 0 |
| Business: | 1 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 20522 is assigned to a single organization or institution. Detailed business demographics are not published for unique ZIP Codes. 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: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 20522 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 20522, 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 20522 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.