Minidoka County ZIP Codes

Minidoka County is a county of Idaho.

ZIP codes: 4
Cities & towns: 4
Area codes: 2
Land area: 757 sq mi

Every ZIP code in Minidoka County

833xx

The complete list of Minidoka County, ID ZIP codes with the city each one delivers to.
ZIP code	City
83336	Heyburn
83343	Minidoka
83347	Paul
83350	Rupert

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Minidoka County

Area codes covering Minidoka County

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

Where Minidoka County's ZIP codes sit

Each point is the reference point of one Minidoka 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 Minidoka 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.