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: 9,451
PO Box Addresses: 5,505
Residential Addresses: 131,913
Multi-Family Addresses: 10,573
Single Family Addresses: 120,691
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Map of Frederick County, MD ZIP Codes With Actual (Default) City Names
