| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 49402 | Branch | Lake County | Standard |
| 49405 | Custer | Mason County | Standard |
| 49410 | Fountain | Mason County | Standard |
| 49411 | Free Soil | Mason County | Standard |
| 49431 | Ludington | Mason County | Standard |
| 49449 | Pentwater | Oceana County | Standard |
| 49454 | Scottville | Mason County | Standard |
| 49458 | Walhalla | Mason County | PO Box |
| 49660 | Manistee | Manistee County | Standard |