Baltimore City County Maryland ZIP Codes - Map and Full List

Baltimore City County Maryland is covered by a total of 41 ZIP Codes. There are 13 ZIP Codes in Baltimore City County that extend into adjacent counties (Anne Arundel County, and Baltimore County). Of the ZIP codes within or partially within Baltimore City County there are 28 Standard ZIP Codes, 9 Unique ZIP Codes and 4 PO Box ZIP Codes.

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Baltimore City County Maryland ZIP Code Map

Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Baltimore City County and can be turned on and off. Each type of postal code can also be turned on and off.

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