Zip code 21709: Frederick, Maryland
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 21709
21709 is a non-residential zip code for Frederick, Maryland (Frederick 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 21709, see the residential zip codes in the nearby list below.
Geography
- City (USPS)
- Frederick
- State
- Maryland
- County
- Frederick County
- Center point
- 39.4700° N, 77.3921° W
- Time zone
- Eastern Time (UTC-5, UTC-4 in summer)
- Zip type
- PO box or unique zip
Zip codes near 21709
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 21702 | Frederick, MD | 2.8 mi | $106,983 |
| 21793 | Walkersville, MD | 2.9 mi | $121,971 |
| 21701 | Frederick, MD | 3.6 mi | $106,577 |
| 21705 | Frederick, MD | 4.3 mi | — |
| 21798 | Woodsboro, MD | 7 mi | $116,607 |
| 21714 | Braddock Heights, MD | 7.5 mi | $161,806 |
| 21774 | New Market, MD | 7.5 mi | $171,103 |
| 21762 | Libertytown, MD | 7.7 mi | — |
| 21704 | Frederick, MD | 8 mi | $161,063 |
| 21703 | Frederick, MD | 8.3 mi | $106,334 |
| 21775 | New Midway, MD · PO box | 8.3 mi | — |
| 21788 | Thurmont, MD | 8.4 mi | $98,856 |
Questions about 21709
What city is zip code 21709?
21709 is assigned to Frederick, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 21709 in?
21709 is in Frederick County, Maryland.
What time zone is 21709 in?
21709 is in Eastern Time.
What zip codes are near 21709?
The closest zip codes to 21709 are 21702, 21793, 21701, 21705, 21798.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21709, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.