| City: | Capitol Heights, Maryland |
| City Alias: | Capitol Hgts |
| County: | Prince Georges County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:17:30 AM |
| Population: | No Population Data |
| Area Codes: | 227 / 240 / 301 |
| Classification: | PO Box |
| Coordinates: | 38.9876, -76.8806 |
| Quick Link: |
ZIP code 20791 is a PO Box-only ZIP serving Capitol Heights, Maryland, in Prince Georges County. It exists as a point location within the larger 20743 ZIP boundary, about 10 miles east of Washington, D.C. The post office maintains 425 PO Boxes along with 237 business delivery points, making it a busy suburban postal hub.
This isn't a PO Box Only Zone, so residents have alternatives. The Capitol Heights area receives street delivery through the neighboring 20743 ZIP. People who want the 20791 code use a PO Box at the post office on Edgeworth Drive. The facility also offers PO Box Street Addressing, which lets box holders use the post office's street address with their box number as a unit.
The location sits near several Prince Georges County communities: Largo is just 0.1 miles away, Forestville 0.6 miles, and Walker Mill 0.8 miles. All are part of the greater Washington metropolitan area. Capitol Heights itself has a Metro station on the Blue Line, connecting residents to downtown D.C.
Edgeworth Drive is the post office location; the Smart Locker record indicates automated package pickup services.
ZIP Code 20791 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: | 625Source: 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 20791 is located in Prince Georges County, Maryland, within the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area (CBSA 47900) and Maryland's 4th Congressional District. This Metro area has a population of 6,263,796 people, about 0.00% of whom live in ZIP Code 20791, 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: | 04Source: USPS |
| Congressional Land Area: | 297.81 sq miSource: Census |
| PMSA: | Washington, DC-MD-VA-WV PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2413000Source: Census |
| Place Name: | Capitol Heights town; MarylandSource: Census |
We could not locate which school district 20791 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.