| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 83228 | Clifton | Franklin County | Standard |
| 83232 | Dayton | Franklin County | Standard |
| 83237 | Franklin | Franklin County | Standard |
| 83263 | Preston | Franklin County | Standard |
| 83283 | Thatcher | Franklin County | Standard |
| 83286 | Weston | Franklin County | Standard |
| 84304 | Cache Junction | Cache County | Standard |
| 84305 | Clarkston | Cache County | PO Box |
| 84306 | Collinston | Box Elder County | Standard |
| 84308 | Cornish | Cache County | Standard |
| 84318 | Hyde Park | Cache County | Standard |
| 84319 | Hyrum | Cache County | Standard |
| 84320 | Lewiston | Cache County | Standard |
| 84321 | Logan | Cache County | Standard |
| 84322 | Logan | Cache County | Unique |
| 84323 | Logan | Cache County | PO Box |
| 84325 | Mendon | Cache County | Standard |
| 84326 | Millville | Cache County | PO Box |
| 84327 | Newton | Cache County | PO Box |
| 84328 | Paradise | Cache County | Standard |
| 84332 | Providence | Cache County | Standard |
| 84333 | Richmond | Cache County | Standard |
| 84335 | Smithfield | Cache County | Standard |
| 84338 | Trenton | Cache County | Standard |
| 84339 | Wellsville | Cache County | Standard |
| 84341 | Logan | Cache County | Standard |