Kosciusko County Indiana is covered by a total of 20 ZIP Codes. There are 10 ZIP Codes in Kosciusko County that extend into adjacent counties (Elkhart County, Fulton County, Marshall County, Miami County, Noble County, Saint Joseph County, Wabash County, and Whitley County). Of the ZIP codes within or partially within Kosciusko County there are 18 Standard ZIP Codes and 2 PO Box ZIP Codes. Data Updated October 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 Kosciusko County and can be turned on and off. Each type of postal code can also be turned on and off.
| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Atwood | PO Box | |||
| Burket | Standard | |||
| Claypool | Standard | |||
| Etna Green | Standard | |||
| Leesburg | Standard | |||
| Mentone | Standard | |||
| Milford | Standard | |||
| Nappanee | Standard | |||
| North Webster | Standard | |||
| Pierceton | Standard | |||
| Syracuse | Standard | |||
| Warsaw | Standard | |||
| Warsaw | PO Box | |||
| Warsaw | Standard | |||
| Winona Lake | Standard | |||
| Cromwell | Standard | |||
| South Whitley | Standard | |||
| Akron | Standard | |||
| North Manchester | Standard | |||
| Silver Lake | Standard |