ZIP Code 82434

82434 is one of Wyoming's ZIP codes, delivering to addresses in Otto, Big Horn County.

City: Otto
County: Big Horn County
State: Wyoming
Prefix: 824xx

Where this code sits

82434 is part of the 824xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Otto.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 82434 delivers to without sharing its boundary.

307 Area code 307

ZIP codes nearest 82434

The ZIP codes whose reference points sit closest to 82434.
ZIP code	Distance	Delivers to
ZIP code 82411	6.9 mi	Burlington, WY
ZIP code 82422	8.1 mi	Emblem, WY
ZIP code 82426	13 mi	Greybull, WY
ZIP code 82410	13 mi	Basin, WY
ZIP code 82432	19 mi	Manderson, WY
ZIP code 82412	29 mi	Byron, WY
ZIP code 82441	29 mi	Shell, WY
ZIP code 82431	30 mi	Lovell, WY

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 82434, plotted from its record coordinates.

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

Scope ZIP code 82434. 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.