| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 49011 | Athens | Calhoun County | Standard |
| 49014 | Battle Creek | Calhoun County | Standard |
| 49015 | Battle Creek | Calhoun County | Standard |
| 49016 | Battle Creek | Calhoun County | PO Box |
| 49017 | Battle Creek | Calhoun County | Standard |
| 49018 | Battle Creek | Calhoun County | PO Box |
| 49020 | Bedford | Calhoun County | PO Box |
| 49021 | Bellevue | Barry County | Standard |
| 49029 | Burlington | Calhoun County | Standard |
| 49033 | Ceresco | Calhoun County | Standard |
| 49034 | Climax | Kalamazoo County | Standard |
| 49037 | Battle Creek | Calhoun County | Standard |
| 49051 | East Leroy | Calhoun County | Standard |
| 49052 | Fulton | Kalamazoo County | Standard |
| 49068 | Marshall | Calhoun County | Standard |
| 49076 | Olivet | Eaton County | Standard |
| 49092 | Tekonsha | Calhoun County | Standard |
| 49094 | Union City | Branch County | Standard |
| 49224 | Albion | Calhoun County | Standard |
| 49237 | Concord | Jackson County | Standard |
| 49245 | Homer | Calhoun County | Standard |
| 49252 | Litchfield | Hillsdale County | Standard |
| 49284 | Springport | Jackson County | Standard |