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 Baltimore County Address Data
Businesses Addresses: 33,834
PO Box Addresses: 10,329
Residential Addresses: 488,906
Multi-Family Addresses: 115,324
Single Family Addresses: 372,311
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Map of Baltimore County, MD ZIP Codes With Actual (Default) City Names
