Park County ZIP Codes

Park County is a county of Wyoming.

ZIP codes: 7
Cities & towns: 7
Area codes: 1
Land area: 6,939 sq mi

Every ZIP code in Park County

821xx–824xx

The complete list of Park County, WY ZIP codes with the city each one delivers to.
ZIP code	City
82190	Yellowstone National Park
82414	Cody
82423	Frannie
82433	Meeteetse
82435	Powell
82440	Ralston
82450	Wapiti

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Park County

A further 3 places in Park 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 Park 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 Park County's ZIP codes sit

Each point is the reference point of one Park 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 Park 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.