20101 ZIP Code — Dulles, VA
Loudoun County, Virginia
ZIP code 20101 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
20101 ZIP code map
Cities in ZIP code 20101
Below are the cities the US Postal Service accepts for ZIP code 20101. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Dulles | Acceptable |
| Dulles | Preferred |
Nearby ZIP codes
25438 Ranson (1.3 mi)
25442 Shenandoah Junction (2.5 mi)
25425 Harpers Ferry (5.4 mi)
25414 Charles Town (5.5 mi)
25430 Kearneysville (5.7 mi)
25443 Shepherdstown (7.8 mi)
25405 Martinsburg (8.1 mi)
21782 Sharpsburg (8.5 mi)
21758 Knoxville (9.8 mi)
25446 Summit Point (9.9 mi)
25428 Inwood (10.2 mi)
25404 Martinsburg (10.7 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 | 39.3355 |
| Longitude | -77.8426 |
| Timezone | Eastern (ET) |
| Area code | 540 |