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: 9,442
PO Box Addresses: 5,622
Residential Addresses: 127,506
Multi-Family Addresses: 10,342
Single Family Addresses: 116,500
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Map of Frederick County, MD ZIP Codes With Actual (Default) City Names
