| ZIP Code | 50402 |
| ZIP Code Name | Mason City |
| Primary County | Cerro Gordo County |
| ZIP Code Type | PO Box |
| Current Time | CDT |
50402 is a United States ZIP Code located in Mason City Iowa. Portions of 50402 are also in . 50402 is entirely within Cerro Gordo County. 50402 is within the Rochester-Mason City-Austin Area.
The current unemployment level in 50402 is 3.2%.| Coordinates | 43.15419006,-93.19944000 |
| Adjacent ZIP Codes | |
| Cities/Towns in 50402 | |
| Region | Rochester-Mason City-Austin Area |
| Metropolitan/Micropolitan Stat Area | Mason City, IA |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| US Congressional Districts in 50402 | |
| Iowa State Senate Districts in 50402 | |
| Iowa State House of Representatives Districts in 50402 |
| School Districts in 50402 |