| City: | Washington, District of Columbia |
| Names to Avoid: | Chief Naval Operation |
| County: | District Of Columbia County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 9:52:36 PM |
| Population: | No Population Data |
| Area Codes: | 202 / 771 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 38.8951, -77.0369 |
| Quick Link: |
The Office of the Chief of Naval Operations operates under dedicated ZIP code 20350 as part of the Department of the Navy at the Pentagon. The CNO is the highest-ranking officer of the U.S. Navy and serves as a member of the Joint Chiefs of Staff. The office coordinates Navy administration and strategy, though operational command of naval forces rests with combatant commanders. This postal designation has been in place for over two decades.
Postal records show 3 ZIP+4 codes routing correspondence for the Chief of Naval Operations. Census Business Patterns data shows 3 establishments with 5 employees within this ZIP. The CNO is appointed by the President for a four-year term and advises the Secretary of Defense and President on naval matters. Census demographic data is not available for this ZIP. Washington is the valid mailing city for this designation.
| Establishments: | 3 |
| Employment: | 5 |
| Residential: | 0 |
| Business: | 1 |
ZIP Code 20350 supports both business and residential activity. According to the Business Census (2024), there are 3 business establishments, employing about 3 people with an annual payroll of $218,000. 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: | $71,000Source: CBP |
| Annual Payroll: | $218,000Source: CBP |
| # of Employees: | 3Source: CBP |
ZIP Code 20350 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 20350, 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 20350 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.