Every ZIP code in Sac County

505xx–514xx

The complete list of Sac County, IA ZIP codes with the city each one delivers to.
ZIP code	City
50535	Early
50567	Nemaha
50583	Sac City
51053	Schaller
51433	Auburn
51450	Lake View
51458	Odebolt
51466	Wall Lake

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Sac County

Area codes covering Sac County

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

Where Sac County's ZIP codes sit

Each point is the reference point of one Sac 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 Sac 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.