Logan County ZIP Codes

Logan County is a county of Illinois.

ZIP codes
14
Cities & towns
14
Area codes
4
Land area
618 sq mi

Every ZIP code in Logan County

617xx–626xx
The complete list of Logan County, IL ZIP codes with the city each one delivers to.
ZIP codeCity
61723Atlanta
61751Lawndale
62512Beason
62518Chestnut
62519Cornland
62541Lake Fork
62543Latham
62548Mount Pulaski
62634Elkhart
62635Emden
62643Hartsburg
62656Lincoln
62666Middletown
62671New Holland

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Logan County

A further 5 places in Logan 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 Logan County

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

Where Logan County's ZIP codes sit

Each point is the reference point of one Logan 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 Logan 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 . The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.