Ida County ZIP Codes

Ida County is a county of Iowa.

ZIP codes: 5
Cities & towns: 5
Area codes: 1
Land area: 432 sq mi

Every ZIP code in Ida County

510xx–514xx

The complete list of Ida County, IA ZIP codes with the city each one delivers to.
ZIP code	City
51006	Battle Creek
51020	Galva
51025	Holstein
51431	Arthur
51445	Ida Grove

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Ida County

Area codes covering Ida County

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

712 Area code 712

Where Ida County's ZIP codes sit

Each point is the reference point of one Ida 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 Ida 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.