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Search: Mason City - Postal Zip Code List
.| City or Location | States or Territories | States or Territories Abbrieviation | Postcode or Zipcode |
|---|---|---|---|
| Mason City | Iowa | IA | 50401 |
| Mason City | Iowa | IA | 50402 |
| Mason City | Illinois | IL | 62664 |
| Mason City | Nebraska | NE | 68855 |