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: 30,241
PO Box Addresses: 5,301
Residential Addresses: 436,375
Multi-Family Addresses: 105,998
Single Family Addresses: 330,259
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Map of Baltimore City County, MD ZIP Codes With Actual (Default) City Names