Frederick County, Maryland ZIP Codes

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ZIP Codes in Frederick County with Associated Cities & Towns

Frederick County, MD - Standard ZIP Codes
20842 | 20871 | 21701 | 21702 | 21703 | 21704 | 21710 | 21716 | 21718 | 21719 | 21727 | 21754 | 21755 | 21757 | 21758 | 21769 | 21770 | 21771 | 21773 | 21774 | 21776 | 21777 | 21778 | 21780 | 21783 | 21787 | 21788 | 21790 | 21791 | 21793 | 21798
Frederick County, MD - PO Box ZIP Codes (NO DEMOGRAPHIC DATA)
21705 | 21714 | 21717 | 21759 | 21762 | 21775 | 21792
Frederick County, MD - Unique - Single Entity ZIP Codes (NO DEMOGRAPHIC DATA)
21709
Note: Every ZIP Code has a single ACTUAL City Name assigned by the US Postal Service (USPS).
See the specific ZIP Code for acceptable Alternate City Names and spelling variations.

ZIP Codes in Frederick County Address Data

  • Businesses Addresses: 9,217
  • PO Box Addresses: 5,997
  • Residential Addresses: 121,054
    • Multi-Family Addresses: 10,107
    • Single Family Addresses: 110,237

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Map of Frederick County, MD ZIP Codes With Actual (Default) City Names

Adamstown
Braddock Heights
Brunswick
Buckeystown
Burkittsville
Emmitsburg
Frederick
Ijamsville
Jefferson
Knoxville
Ladiesburg
Libertytown
Middletown
Monrovia
Mount Airy
Myersville
New Market
New Midway
Point of Rocks
Rocky Ridge
Sabillasville
Thurmont
Tuscarora
Unionville
Walkersville
Woodsboro


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