ZIP Code 89404

89404 is one of Nevada's ZIP codes, delivering to addresses in Denio, Humboldt County.

City: Denio
County: Humboldt County
State: Nevada
Prefix: 894xx

Where this code sits

89404 is part of the 894xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Denio.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 89404 delivers to without sharing its boundary.

775 Area code 775

ZIP codes nearest 89404

The ZIP codes whose reference points sit closest to 89404.
ZIP code	Distance	Delivers to
ZIP code 97710	16 mi	Fields, OR
ZIP code 89425	44 mi	Orovada, NV
ZIP code 89421	49 mi	Mc Dermitt, NV
ZIP code 97736	54 mi	Frenchglen, OR
ZIP code 89426	64 mi	Paradise Valley, NV
ZIP code 97620	65 mi	Adel, OR
ZIP code 97722	67 mi	Diamond, OR
ZIP code 97637	74 mi	Plush, OR

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 89404, plotted from its record coordinates.

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

Scope ZIP code 89404. 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.