ZIP Code 84640

84640 is one of Utah's ZIP codes, delivering to addresses in Lynndyl, Millard County.

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

Where this code sits

84640 is part of the 846xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Lynndyl.

Lynndyl Utah ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 84640 delivers to without sharing its boundary.

435 Area code 435

ZIP codes nearest 84640

The ZIP codes whose reference points sit closest to 84640.
ZIP code	Distance	Delivers to
ZIP code 84638	6.0 mi	Leamington, UT
ZIP code 84649	9.2 mi	Oak City, UT
ZIP code 84624	11 mi	Delta, UT
ZIP code 84635	19 mi	Hinckley, UT
ZIP code 84656	23 mi	Scipio, UT
ZIP code 84639	24 mi	Levan, UT
ZIP code 84636	28 mi	Holden, UT
ZIP code 84648	33 mi	Nephi, 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 84640, plotted from its record coordinates.

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

Scope ZIP code 84640. 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.