Afton Wyoming ZIP Codes

Afton holds a single ZIP code.

Every ZIP code in Afton

The complete list of Afton, Wyoming ZIP codes with the county each falls in.
ZIP code	County
83110	Lincoln County

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Afton codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Afton. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

How these codes cluster

Every Afton ZIP code begins 831. Those first three digits identify the sectional center facility that processes mail for this part of Wyoming. Statewide that range covers 18 ZIP codes, so Afton accounts for 6% of it.

Every Wyoming ZIP prefix and the region it covers →

Area codes covering Afton

ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The code below serves the same ground Afton occupies.

307 Area code 307

Afton Wyoming area codes in full →

Where Afton's ZIP codes sit

Each point is one Afton ZIP code, plotted from its record coordinates.

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

Cities near Afton

The closest places to Afton with their own ZIP code list, nearest first.
City	Distance	ZIP codes
Thayne Wyoming ZIP codes	14 mi	1 ZIP code
Alpine Wyoming ZIP codes	30 mi	1 ZIP code
Big Piney Wyoming ZIP codes	43 mi	1 ZIP code
Cokeville Wyoming ZIP codes	45 mi	1 ZIP code
La Barge Wyoming ZIP codes	49 mi	1 ZIP code
Jackson Wyoming ZIP codes	52 mi	2 ZIP codes
Pinedale Wyoming ZIP codes	55 mi	1 ZIP code
Kemmerer Wyoming ZIP codes	68 mi	1 ZIP code

Straight-line distance between place reference points, not driving distance.