ZIP Code 82923

82923 is one of Wyoming's ZIP codes, delivering to addresses in Boulder, Sublette County.

City: Boulder
County: Sublette County
State: Wyoming
Prefix: 829xx

Where this code sits

82923 is part of the 829xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Boulder.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 82923 delivers to without sharing its boundary.

307 Area code 307

ZIP codes nearest 82923

The ZIP codes whose reference points sit closest to 82923.
ZIP code	Distance	Delivers to
ZIP code 82941	20 mi	Pinedale, WY
ZIP code 83113	30 mi	Big Piney, WY
ZIP code 83115	34 mi	Daniel, WY
ZIP code 82925	37 mi	Cora, WY
ZIP code 82932	42 mi	Farson, WY
ZIP code 83123	46 mi	La Barge, WY
ZIP code 82512	49 mi	Crowheart, WY
ZIP code 82922	55 mi	Bondurant, 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 82923, plotted from its record coordinates.

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

Scope ZIP code 82923. 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.