21709 ZIP Code — Frederick, MD
Frederick County, Maryland
ZIP code 21709 is located in Frederick, Maryland, within Frederick 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 240/301.
0
population
0.00
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
21709 ZIP code map
Cities in ZIP code 21709
Below are the cities the US Postal Service accepts for ZIP code 21709. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Frederick | Acceptable |
| Frederick | Preferred |
Nearby ZIP codes
21703 Frederick (4.5 mi)
21704 Frederick (5.2 mi)
21701 Frederick (5.2 mi)
21702 Frederick (6.1 mi)
21793 Walkersville (6.6 mi)
21774 New Market (7.4 mi)
21769 Middletown (8.6 mi)
21710 Adamstown (8.6 mi)
20104 Dulles (9.3 mi)
20103 Dulles (9.3 mi)
21770 Monrovia (9.4 mi)
21755 Jefferson (9.8 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 24 |
| County FIPS | 021 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 39.4142 |
| Longitude | -77.4105 |
| Timezone | Eastern (ET) |
| Area code | 240/301 |