Allen 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 Allen County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
45801
45810
45830
45806
45807
45850
45877
43310
45802
45854
45895
45896
45833
45805
45881
45844
45820
45817
45808
45894
45887
45809
45804
45812

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

Allen 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 Allen County County?

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

Do ZIP codes in Allen 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.