ZIP Code 84631

84631 is one of Utah's ZIP codes, delivering to addresses in Fillmore, Millard County.

City: Fillmore
County: Millard County
State: Utah
Prefix: 846xx

Where this code sits

84631 is part of the 846xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Fillmore.

Fillmore Utah ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 84631 delivers to without sharing its boundary.

435 Area code 435

ZIP codes nearest 84631

The ZIP codes whose reference points sit closest to 84631.
ZIP code	Distance	Delivers to
ZIP code 84644	7.8 mi	Meadow, UT
ZIP code 84636	8.4 mi	Holden, UT
ZIP code 84637	12 mi	Kanosh, UT
ZIP code 84657	21 mi	Sigurd, UT
ZIP code 84701	22 mi	Richfield, UT
ZIP code 84620	22 mi	Aurora, UT
ZIP code 84656	22 mi	Scipio, UT
ZIP code 84711	23 mi	Annabella, 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 84631, plotted from its record coordinates.

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

Scope ZIP code 84631. 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.