Postal Codes for Frederick, Maryland
The postal codes for Frederick, Maryland, United States (6 codes, e.g. 21701). With map location and coordinates.
The postal codes for Frederick, Maryland, United States (6 codes):
| Postal code | Place | County / area | Coordinates |
|---|---|---|---|
| 21701 | Frederick | Frederick | 39.446, -77.335 |
| 21702 | Frederick | Frederick | 39.493, -77.461 |
| 21703 | Frederick | Frederick | 39.365, -77.464 |
| 21704 | Frederick | Frederick | 39.346, -77.383 |
| 21705 | Frederick | Frederick | 39.414, -77.411 |
| 21709 | Frederick | Frederick | 39.47, -77.392 |
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Frequently asked questions
What is the postal code of Frederick?
Frederick has 6 postal codes; the first is 21701. They are all listed above with their areas.
Why does Frederick have more than one postal code?
Larger towns and cities are split into several postal-code areas, each serving a different neighbourhood, PO-box range or large organisation.