| Primary City | Mason City | |
| Population | 28,079 | |
| State | Iowa | |
| County | Cerro Gordo County | |
| Current Time | ||
| Zip Codes | 50401, 50402 | |
| Area Codes | 641 |
Neighbouring Zip Codes
ZIP Code: 50511
Algona, Iowa
ZIP Code: 50014
Ames, Iowa
ZIP Code: 50013
Ames, Iowa
ZIP Code: 50037
Boone, Iowa
ZIP Code: 50036
Boone, Iowa
ZIP Code: 50614
Cedar Falls, Iowa
ZIP Code: 50613
Cedar Falls, Iowa
ZIP Code: 52543
Cedar, Iowa
ZIP Code: 52593
Udell, Iowa
ZIP Code: 52544
Centerville, Iowa
ZIP Code: 50616
Charles City, Iowa
ZIP Code: 50428
Clear Lake, Iowa
ZIP Code: 52101
Decorah, Iowa
ZIP Code: 50501
Fort Dodge, Iowa
ZIP Code: 50227
Popejoy, Iowa
ZIP Code: 50126
Iowa Falls, Iowa
ZIP Code: 50158
Marshalltown, Iowa
ZIP Code: 50201
Nevada, Iowa
ZIP Code: 50662
Oelwein, Iowa
ZIP Code: 50707
Evansdale, Iowa
ZIP Code: 50704
Waterloo, Iowa
ZIP Code: 50703
Waterloo, Iowa
ZIP Code: 50677
Waverly, Iowa
ZIP Code: 50595
Webster City, Iowa
ZIP Code: 52355
Webster, Iowa
Neighbouring Cities
Charles City, Iowa Falls, Waverly, Algona, Webster City, Cedar Falls, Fort Dodge, Waterloo, Marshalltown, Nevada, Oelwein, Ames, Decorah, Centerville, Boone