| Post Office | Mason City |
| Division | Cerro Gordo |
| Pincode | 50401 |
| Post Office | Clear Lake |
| Division | Cerro Gordo |
| Pincode | 50428 |
| Post Office | Rockwell |
| Division | Cerro Gordo |
| Pincode | 50469 |
| Post Office | Ventura |
| Division | Cerro Gordo |
| Pincode | 50482 |
| Post Office | Thornton |
| Division | Cerro Gordo |
| Pincode | 50479 |
| Post Office | Plymouth |
| Division | Cerro Gordo |
| Pincode | 50464 |
| Post Office | Meservey |
| Division | Cerro Gordo |
| Pincode | 50457 |
| Post Office | Swaledale |
| Division | Cerro Gordo |
| Pincode | 50477 |
| Post Office | Dougherty |
| Division | Cerro Gordo |
| Pincode | 50433 |
10 City in Cerro Gordo | List of Zip Codes Location In Iowa and Your selected County Cerro Gordo