McLean County ZIP Codes

McLean County is a county of Illinois.

ZIP codes: 32
Cities & towns: 24
Area codes: 6
Land area: 1,183 sq mi

Every ZIP code in McLean County

617xx

The complete list of McLean County, IL ZIP codes with the city each one delivers to.
ZIP code	City
61701	Bloomington
61702	Bloomington
61704	Bloomington
61705	Bloomington
61709	Bloomington
61710	Bloomington
61720	Anchor
61722	Arrowsmith
61724	Bellflower
61725	Carlock
61726	Chenoa
61728	Colfax
61730	Cooksville
61731	Cropsey
61732	Danvers
61736	Downs
61737	Ellsworth
61744	Gridley
61745	Heyworth
61748	Hudson
61752	Le Roy
61753	Lexington
61754	Mc Lean
61758	Merna
61761	Normal
61770	Saybrook
61772	Shirley
61774	Stanford
61776	Towanda
61790	Normal
61791	Bloomington
61799	Bloomington

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in McLean County

A further 4 places in McLean 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 McLean County

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

Where McLean County's ZIP codes sit

Each point is the reference point of one McLean 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 McLean 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.