Mercer County Ohio ZIP Codes - Map and Full List

Mercer County Ohio is covered by a total of 15 ZIP Codes. There are 8 ZIP Codes in Mercer County that extend into adjacent counties (Allen County, Auglaize County, Darke County, Shelby County, and Van Wert County). Of the ZIP codes within or partially within Mercer County there are 12 Standard ZIP Codes and 3 PO Box ZIP Codes.

Map List Related

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

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