The postal code of Mason City which is listed in our database is 50401. Our records often include geographical coordinates of Mason City and it's corresponding postal code.
In the result box below, you can find the postal code of Mason City and it's location on the map if we have the location information available.
Every postal code is also located in a region or a district, in case we know the district or region of the city it will too be listed in the results.
All kinds of additional information we have on Mason City may also be present such as geographical data, historical records or news about Mason City and 50401 in general.