Lincoln County ZIP Codes

Lincoln County is a county of Wyoming.

ZIP codes: 16
Cities & towns: 16
Area codes: 1
Land area: 4,075 sq mi

Every ZIP code in Lincoln County

831xx

The complete list of Lincoln County, WY ZIP codes with the city each one delivers to.
ZIP code	City
83101	Kemmerer
83110	Afton
83111	Auburn
83112	Bedford
83114	Cokeville
83116	Diamondville
83118	Etna
83119	Fairview
83120	Freedom
83121	Frontier
83122	Grover
83123	La Barge
83124	Opal
83126	Smoot
83127	Thayne
83128	Alpine

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Lincoln County codes above are listed without a column we would have to invent.

Cities and towns in Lincoln County

A further 8 places in Lincoln County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.

Area codes covering Lincoln County

Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.

307 Area code 307

Where Lincoln County's ZIP codes sit

Each point is the reference point of one Lincoln County ZIP code, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.

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

Scope every ZIP code recorded in Lincoln County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated 16 July 2026. The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.