ZIP Code 84331

84331 is one of Utah's ZIP codes, delivering to addresses in Portage, Box Elder County.

City: Portage
County: Box Elder County
State: Utah
Prefix: 843xx

Where this code sits

84331 is part of the 843xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Portage.

Portage Utah ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 84331 delivers to without sharing its boundary.

435 Area code 435

ZIP codes nearest 84331

The ZIP codes whose reference points sit closest to 84331.
ZIP code	Distance	Delivers to
ZIP code 84330	8.2 mi	Plymouth, UT
ZIP code 84305	11 mi	Clarkston, UT
ZIP code 84311	13 mi	Fielding, UT
ZIP code 84308	14 mi	Cornish, UT
ZIP code 84334	14 mi	Riverside, UT
ZIP code 83252	14 mi	Malad City, ID
ZIP code 83286	15 mi	Weston, ID
ZIP code 84327	15 mi	Newton, 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 84331, plotted from its record coordinates.

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

Scope ZIP code 84331. 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.