Greer County ZIP Codes

Greer County is a county of Oklahoma.

ZIP codes: 3
Cities & towns: 3
Area codes: 1
Land area: 639 sq mi

Every ZIP code in Greer County

735xx–736xx

The complete list of Greer County, OK ZIP codes with the city each one delivers to.
ZIP code	City
73547	Granite
73554	Mangum
73673	Willow

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Greer County

Area codes covering Greer County

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

580 Area code 580

Where Greer County's ZIP codes sit

Each point is the reference point of one Greer 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 Greer 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.