Mahoning County Ohio ZIP Codes - Map and Full List

Mahoning County Ohio is covered by a total of 38 ZIP Codes. There are 10 ZIP Codes in Mahoning County that extend into adjacent counties (Columbiana County, Lawrence County, Portage County, Stark County, and Trumbull County). Of the ZIP codes within or partially within Mahoning County there are 31 Standard ZIP Codes, 1 Unique ZIP Codes and 5 PO Box ZIP Codes.

Map List Related

Mahoning County Ohio 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 Mahoning County and can be turned on and off. Each type of postal code can also be turned on and off.

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