ZIP Code 83128

83128 is one of Wyoming's ZIP codes, delivering to addresses in Alpine, Lincoln County.

City: Alpine
County: Lincoln County
State: Wyoming
Prefix: 831xx

Where this code sits

83128 is part of the 831xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Alpine.

Alpine Wyoming ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 83128 delivers to without sharing its boundary.

307 Area code 307

ZIP codes nearest 83128

The ZIP codes whose reference points sit closest to 83128.
ZIP code	Distance	Delivers to
ZIP code 83118	8.2 mi	Etna, WY
ZIP code 83120	10 mi	Freedom, WY
ZIP code 83285	15 mi	Wayan, ID
ZIP code 83127	16 mi	Thayne, WY
ZIP code 83428	19 mi	Irwin, ID
ZIP code 83112	21 mi	Bedford, WY
ZIP code 83014	24 mi	Wilson, WY
ZIP code 83001	24 mi	Jackson, 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 83128, plotted from its record coordinates.

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

Scope ZIP code 83128. 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.