Henry County ZIP Codes

Henry County is a county of Illinois.

ZIP codes: 16
Cities & towns: 16
Area codes: 4
Land area: 823 sq mi

Every ZIP code in Henry County

612xx–614xx

The complete list of Henry County, IL ZIP codes with the city each one delivers to.
ZIP code	City
61233	Andover
61234	Annawan
61235	Atkinson
61238	Cambridge
61241	Colona
61254	Geneseo
61258	Hooppole
61262	Lynn Center
61273	Orion
61274	Osco
61413	Alpha
61419	Bishop Hill
61434	Galva
61443	Kewanee
61468	Ophiem
61490	Woodhull

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 3 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.

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.