ZIP Code 84780

84780 is one of Utah's ZIP codes, delivering to addresses in Washington, Washington County.

City: Washington
County: Washington County
State: Utah
Prefix: 847xx

Where this code sits

84780 is part of the 847xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Washington.

Washington Utah ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 84780 delivers to without sharing its boundary.

435 Area code 435

ZIP codes nearest 84780

The ZIP codes whose reference points sit closest to 84780.
ZIP code	Distance	Delivers to
ZIP code 84790	4.7 mi	Saint George, UT
ZIP code 84770	4.9 mi	Saint George, UT
ZIP code 84771	4.9 mi	Saint George, UT
ZIP code 84791	4.9 mi	Saint George, UT
ZIP code 84737	7.6 mi	Hurricane, UT
ZIP code 84765	9.4 mi	Santa Clara, UT
ZIP code 84746	11 mi	Leeds, UT
ZIP code 84738	12 mi	Ivins, 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 84780, plotted from its record coordinates.

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

Scope ZIP code 84780. 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.