ZIP Code 84756 – Newcastle, UT
Newcastle, Utah · Iron County · Mountain time
| ZIP code | 84756 |
|---|---|
| City | Newcastle |
| State | Utah |
| County | Iron County |
| Population | 390 |
| Time zone | Mountain · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 71.09 sq mi |
| Center (lat, long) | 37.7425, -113.5477 |
Area codes in this area
These are the area codes that most often serve ZIP 84756 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Map
Nearby ZIP codes
About ZIP 84756
ZIP code 84756 is assigned to Newcastle, Utah. It lies in Iron County. Its Census area covers about 71.09 square miles of land. The closest neighboring ZIP is 84714 (Beryl), about 13.6 miles away.
Every address in 84756 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources