| Locality | Post Code |
|---|---|
| Biggsville, Henderson | 61418 |
| Carman, Henderson | 61425 |
| Carthage Lake, Henderson | 61425 |
| Decorra, Henderson | 61480 |
| Gladstone, Henderson | 61437 |
| Gulfport, Henderson | 61425 |
| Hopper, Henderson | 61480 |
| Lomax, Henderson | 61454 |
| Media, Henderson | 61460 |
| Olena, Henderson | 61480 |
| Oquawka, Henderson | 61469 |
| Raritan, Henderson | 61471 |
| Shokokon, Henderson | 61425 |
| Stronghurst, Henderson | 61480 |