Allen County Ohio ZIP Codes - Map and Full List

Allen County Ohio is covered by a total of 18 ZIP Codes. There are 9 ZIP Codes in Allen County that extend into adjacent counties (Auglaize County, Hancock County, Hardin County, Mercer County, Putnam County, and Van Wert County). Of the ZIP codes within or partially within Allen County there are 14 Standard ZIP Codes and 3 PO Box ZIP Codes.

Map List Related

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

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