United States · Maryland · Area
Frederick postal codes — Maryland, United States
Frederick postal code: 21709. All 4 codes listed here run from 21709 to 21793.
Across 4 localities in Frederick.
Postal codes
Frederick postal codes
| Country | State | Area | Locality | ZIP | Latitude | Longitude | Timezone |
|---|---|---|---|---|---|---|---|
| United States | Maryland | Frederick | Frederick | 21709 | 39.425882 | -77.402636 | America/New_York |
| United States | Maryland | Frederick | Jefferson | 21755 | 39.362090 | -77.531992 | America/New_York |
| United States | Maryland | Frederick | Middletown | 21769 | 39.443712 | -77.544710 | America/New_York |
| United States | Maryland | Frederick | Walkersville | 21793 | 39.486213 | -77.351929 | America/New_York |
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About Frederick
Frederick is an area of Maryland, United States.
How postal codes work in Frederick
Every code listed here for Frederick begins with the prefix 21.
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