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 City County Address Data
Businesses Addresses: 30,326
PO Box Addresses: 5,293
Residential Addresses: 435,427
Multi-Family Addresses: 105,499
Single Family Addresses: 329,816
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Map of Baltimore City County, MD ZIP Codes With Actual (Default) City Names