Marion County Indiana is covered by a total of 57 ZIP Codes. There are 6 ZIP Codes in Marion County that extend into adjacent counties (Hamilton County, Hendricks County, Johnson County, and Morgan County). Of the ZIP codes within or partially within Marion County there are 38 Standard ZIP Codes, 10 Unique ZIP Codes and 9 PO Box ZIP Codes. Data Updated September 2, 2024
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 Marion County and can be turned on and off. Each type of postal code can also be turned on and off.