Every ZIP code in Grant County

737xx–746xx

The complete list of Grant County, OK ZIP codes with the city each one delivers to.
ZIP code	City
73758	Manchester
73759	Medford
73761	Nash
73766	Pond Creek
73771	Wakita
74636	Deer Creek
74643	Lamont

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Grant County

Area codes covering Grant County

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

Where Grant County's ZIP codes sit

Each point is the reference point of one Grant 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 Grant 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.