Lucas County ZIP Codes

Lucas County is a county of Iowa.

ZIP codes: 5
Cities & towns: 5
Area codes: 1
Land area: 431 sq mi

Every ZIP code in Lucas County

500xx–502xx

The complete list of Lucas County, IA ZIP codes with the city each one delivers to.
ZIP code	City
50049	Chariton
50068	Derby
50151	Lucas
50238	Russell
50272	Williamson

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Lucas County

Area codes covering Lucas County

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

641 Area code 641

Where Lucas County's ZIP codes sit

Each point is the reference point of one Lucas 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 Lucas 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.