ZIP Code 82831

82831 is one of Wyoming's ZIP codes, delivering to addresses in Arvada, Sheridan County.

City: Arvada
County: Sheridan County
State: Wyoming
Prefix: 828xx

Where this code sits

82831 is part of the 828xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Arvada.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 82831 delivers to without sharing its boundary.

307 Area code 307

ZIP codes nearest 82831

The ZIP codes whose reference points sit closest to 82831.
ZIP code	Distance	Delivers to
ZIP code 82837	8.1 mi	Leiter, WY
ZIP code 82835	17 mi	Clearmont, WY
ZIP code 82725	18 mi	Recluse, WY
ZIP code 59062	28 mi	Otter, MT
ZIP code 82845	29 mi	Wyarno, WY
ZIP code 82832	34 mi	Banner, WY
ZIP code 82834	38 mi	Buffalo, WY
ZIP code 82842	40 mi	Story, 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 82831, plotted from its record coordinates.

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

Scope ZIP code 82831. 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.