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

Zip code
49080
49323
49423
49426
49026
49090
49056
49348
49344
49453
49315
49316
49419
49464
49070
49406
49078
49328
49408
49335
49010
49333
49055
49450
49416
49311
49314

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

Allegan 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 Allegan County County?

There are approximately 27 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in Allegan 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.