Zip code 20101: Dulles, Virginia
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 20101
20101 is a non-residential zip code for Dulles, Virginia (Loudoun County). It has no delivery area of its own, so the Census Bureau doesn't publish population or housing figures for it. Codes like this are usually assigned to post office boxes, or to a single organization such as a university, hospital, government agency or large company that gets enough mail to need its own zip code.
For a picture of the people who live around 20101, see the residential zip codes in the nearby list below.
Geography
- City (USPS)
- Dulles
- State
- Virginia
- County
- Loudoun County
- Center point
- 39.0021° N, 77.4421° W
- Time zone
- Eastern Time (UTC-5, UTC-4 in summer)
- Zip type
- PO box or unique zip
Zip codes near 20101
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 20189 | Dulles, VA · PO box | 0.5 mi | — |
| 20103 | Dulles, VA · PO box | 0.6 mi | — |
| 20163 | Sterling, VA · PO box | 0.8 mi | — |
| 20167 | Sterling, VA · PO box | 0.8 mi | — |
| 20598 | Dhs, VA · PO box | 0.9 mi | — |
| 20166 | Sterling, VA | 2.5 mi | $133,401 |
| 20164 | Sterling, VA | 2.5 mi | $135,660 |
| 20147 | Ashburn, VA | 3.4 mi | $163,904 |
| 20170 | Herndon, VA | 3.7 mi | $159,466 |
| 20172 | Herndon, VA · PO box | 3.8 mi | — |
| 22095 | Herndon, VA · PO box | 3.8 mi | — |
| 20149 | Ashburn, VA · PO box | 3.8 mi | — |
Questions about 20101
What city is zip code 20101?
20101 is assigned to Dulles, Virginia. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 20101 in?
20101 is in Loudoun County, Virginia.
What time zone is 20101 in?
20101 is in Eastern Time.
What zip codes are near 20101?
The closest zip codes to 20101 are 20189, 20103, 20163, 20167, 20598.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 20101, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.