Pennington County, located in the state of South Dakota, 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 Pennington County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
57703
57725
57767
57701
57702
57718
57791
57761
57754
57744
57719
57567
57780
57730
57775
57790
57750
57732
57745
57751
57709
57706

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

Pennington 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 Pennington County County?

There are approximately 22 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in Pennington 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.