Henry County ZIP Codes

Henry County is a county of Iowa.

ZIP codes: 10
Cities & towns: 10
Area codes: 1
Land area: 434 sq mi

Every ZIP code in Henry County

526xx

The complete list of Henry County, IA ZIP codes with the city each one delivers to.
ZIP code	City
52630	Hillsboro
52641	Mount Pleasant
52642	Rome
52644	Mount Union
52645	New London
52647	Olds
52649	Salem
52652	Swedesburg
52654	Wayland
52659	Winfield

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Henry County

A further 2 places in Henry County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.

Area codes covering Henry County

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

319 Area code 319

Where Henry County's ZIP codes sit

Each point is the reference point of one Henry 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 Henry 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.