22121 ZIP Code — Mount Vernon, VA
Fairfax County, Virginia
ZIP code 22121 is located in Mount Vernon, Virginia, within Fairfax County. It covers approximately 0.00 square miles and serves a population of 0 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 703.
0
population
0.00
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
22121 ZIP code map
Cities in ZIP code 22121
Below are the cities the US Postal Service accepts for ZIP code 22121. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Mount Vernon | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 51 |
| County FIPS | 059 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 38.7078 |
| Longitude | -77.0865 |
| Timezone | Eastern (ET) |
| Area code | 703 |