ZIP Code 82901

82901 is one of Wyoming's ZIP codes, delivering to addresses in Rock Springs, Sweetwater County.

City: Rock Springs
County: Sweetwater County
State: Wyoming
Prefix: 829xx

Where this code sits

82901 is part of the 829xx range, the group of codes handled by one mail processing centre. Rock Springs is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Rock Springs page.

Rock Springs Wyoming ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 82901 delivers to without sharing its boundary.

307 Area code 307

ZIP codes nearest 82901

The ZIP codes whose reference points sit closest to 82901.
ZIP code	Distance	Delivers to
ZIP code 82902	1.9 mi	Rock Springs, WY
ZIP code 82943	4.8 mi	Reliance, WY
ZIP code 82935	14 mi	Green River, WY
ZIP code 82945	17 mi	Superior, WY
ZIP code 82942	24 mi	Point Of Rocks, WY
ZIP code 82929	33 mi	Little America, WY
ZIP code 82932	34 mi	Farson, WY
ZIP code 82934	38 mi	Granger, 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 82901, plotted from its record coordinates.

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

Scope ZIP code 82901. 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.