20103 ZIP Code — Dulles, VA
Loudoun County, Virginia
ZIP code 20103 is located in Dulles, Virginia, within Loudoun 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 540.
0
population
0.00
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
20103 ZIP code map
Cities in ZIP code 20103
Below are the cities the US Postal Service accepts for ZIP code 20103. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Dulles | Acceptable |
| Dulles | Preferred |
Nearby ZIP codes
20104 Dulles (0 mi)
21777 Point Of Rocks (2.7 mi)
21755 Jefferson (2.9 mi)
21790 Tuscarora (4.6 mi)
21716 Brunswick (4.6 mi)
21703 Frederick (5 mi)
21710 Adamstown (5.4 mi)
20180 Lovettsville (6.2 mi)
21758 Knoxville (7.3 mi)
21718 Burkittsville (7.3 mi)
21769 Middletown (8.5 mi)
21704 Frederick (8.7 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 51 |
| County FIPS | 107 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 39.3214 |
| Longitude | -77.5365 |
| Timezone | Eastern (ET) |
| Area code | 540 |