| Postal Service | Marshalltown |
| Division | Marshall |
| Post code | 50158 |
| Postal Service | State Center |
| Division | Marshall |
| Post code | 50247 |
| Postal Service | Melbourne |
| Division | Marshall |
| Post code | 50162 |
| Postal Service | Albion |
| Division | Marshall |
| Post code | 50005 |
| Postal Service | Gilman |
| Division | Marshall |
| Post code | 50106 |
| Postal Service | Le Grand |
| Division | Marshall |
| Post code | 50142 |
| Postal Service | Rhodes |
| Division | Marshall |
| Post code | 50234 |
| Postal Service | Haverhill |
| Division | Marshall |
| Post code | 50120 |
| Postal Service | Laurel |
| Division | Marshall |
| Post code | 50141 |
| Postal Service | Liscomb |
| Division | Marshall |
| Post code | 50148 |
13 City in Marshall | List of Zip Codes Location In Iowa and Your selected County Marshall