50402 ZIP Code — Mason City, IA
Cerro Gordo County, Iowa
ZIP code 50402 is located in Mason City, Iowa, within Cerro Gordo County. It covers approximately 0.00 square miles and serves a population of 0 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 641.
0
population
0.00
sq mi land
Standard
ZIP type
Central (CT)
timezone
50402 ZIP code map
Cities in ZIP code 50402
Below are the cities the US Postal Service accepts for ZIP code 50402. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Mason City | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 19 |
| County FIPS | 033 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 43.1501 |
| Longitude | -93.1021 |
| Timezone | Central (CT) |
| Area code | 641 |