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: 33,709
PO Box Addresses: 9,920
Residential Addresses: 492,531
Multi-Family Addresses: 116,737
Single Family Addresses: 374,542
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Map of Baltimore County, MD ZIP Codes With Actual (Default) City Names
