ZIP Code 84756

84756 is one of Utah's ZIP codes, delivering to addresses in Newcastle, Iron County.

City: Newcastle
County: Iron County
State: Utah
Prefix: 847xx

Where this code sits

84756 is part of the 847xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Newcastle.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 84756 delivers to without sharing its boundary.

435 Area code 435

ZIP codes nearest 84756

The ZIP codes whose reference points sit closest to 84756.
ZIP code	Distance	Delivers to
ZIP code 84725	8.5 mi	Enterprise, UT
ZIP code 84714	14 mi	Beryl, UT
ZIP code 84753	18 mi	Modena, UT
ZIP code 84722	19 mi	Central, UT
ZIP code 84781	22 mi	Pine Valley, UT
ZIP code 84782	23 mi	Veyo, UT
ZIP code 84757	26 mi	New Harmony, UT
ZIP code 84742	27 mi	Kanarraville, UT

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 84756, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 84756. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.