Zip Codes in Warren County, Ohio

Warren County, located in the state of Ohio, contains a range of ZIP codes that are essential for mail delivery, demographics, mapping, and regional planning. Below is a complete list of ZIP codes associated with this county.

These ZIP codes help identify specific areas and communities within the county, ranging from small towns and villages to broader rural stretches. Whether you’re moving to Warren County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
45005
45249
45342
45162
45066
45034
45040
45327
45107
45065
45152
45122
45068
45113
45042
45044
45050
45036
45458
45054
45032
45039
45140
45241

To know more about Warren County, click the button below:

Warren County Information

Use this tool to find your area details by using zip code.

ZIP Code to County

Note: Some ZIP codes may span across county borders and may be listed under more than one county. This is common in rural or low-population areas where ZIP code regions are broader.

Source: Data compiled from official county records, USPS ZIP code data, and the United States Census Bureau.

Frequently Asked Questions

How many ZIP codes are in Warren County County?

There are approximately 24 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in Warren County overlap with other counties?

Yes, some ZIP codes may span more than one county. This is especially common in less populated or rural areas.