Newcastle, UT zip code
Newcastle, Utah uses one zip code: 84756. Most of it is in Iron County. Together these zip codes are home to about 390 people.
Zip codes
1
Population
390
All zips combined
Largest zip
84756
390 residents
Zip codes in Newcastle
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 84756 | 390 | $85,489 |