Putnam County ZIP Codes

Putnam County is a county of Illinois.

ZIP codes: 7
Cities & towns: 7
Area codes: 4
Land area: 160 sq mi

Every ZIP code in Putnam County

613xx–615xx

The complete list of Putnam County, IL ZIP codes with the city each one delivers to.
ZIP code	City
61326	Granville
61327	Hennepin
61335	Mc Nabb
61336	Magnolia
61340	Mark
61363	Standard
61560	Putnam

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Putnam County

A further 2 places in Putnam 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 Putnam County

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

Where Putnam County's ZIP codes sit

Each point is the reference point of one Putnam 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 Putnam 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.