ZIP codes in Frederick, Maryland
Frederick has 6 ZIP codes in this directory. Each ZIP is listed with its county, population and time zone.
| ZIP | County | Population | Time zone |
|---|---|---|---|
| 21701 | Frederick | 69,479 | America/New_York |
| 21702 | Frederick | 69,479 | America/New_York |
| 21703 | Frederick | 69,479 | America/New_York |
| 21704 | Frederick | 69,479 | America/New_York |
| 21705 | Frederick | 69,479 | America/New_York |
| 21709 | Frederick | 69,479 | America/New_York |
About Frederick ZIP codes
ZIP codes in Frederick are part of the USPS delivery network for Maryland. The codes above are ordered numerically; each links to a page with coordinates, nearby ZIPs and more detail. Population shown is the estimated population of the city: 69,479.