| City: | Washington, District of Columbia |
| County: | District Of Columbia County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:03:36 AM |
| Population: | No Population Data |
| Area Codes: | 202 / 771 |
| Classification: | PO Box |
| Coordinates: | 38.8950, -77.0367 |
| Quick Link: |
ZIP code 20091 is a PO Box-only facility in downtown Washington, DC. The post office sits in the Northwest quadrant near Chinatown, specifically serving K Street NW addresses through 117 ZIP+4 records for unit-based delivery. The facility maintains 9 PO Boxes for individual customers and handles mail for 10 businesses in the area.
This ZIP doesn't have its own geographic boundaries. Instead, it shares space with the larger 20001 ZIP code that covers the same downtown streets. The arrangement is common in dense urban areas where PO Box facilities serve customers who prefer or need box service rather than street delivery. While classified as a small town hub, the location sits at the heart of the nation's capital, positioned in one of DC's most recognized commercial districts.
K Street NW is the sole street in this ZIP code's records. Known as one of DC's primary business corridors, K Street serves as shorthand for the lobbying industry. The 117 records all specify unit-based delivery, indicating multi-tenant commercial buildings rather than individual addresses.
ZIP Code 20091 is designated for PO Box delivery only; business establishment and employment data are not available.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 18Source: 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 20091 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 20091, 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 20091 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.