Jo Daviess County ZIP Codes

Jo Daviess County is a county of Illinois.

ZIP codes: 9
Cities & towns: 9
Area codes: 2
Land area: 601 sq mi

Every ZIP code in Jo Daviess County

610xx

The complete list of Jo Daviess County, IL ZIP codes with the city each one delivers to.
ZIP code	City
61001	Apple River
61025	East Dubuque
61028	Elizabeth
61036	Galena
61041	Hanover
61059	Nora
61075	Scales Mound
61085	Stockton
61087	Warren

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Jo Daviess County

Area codes covering Jo Daviess County

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

Where Jo Daviess County's ZIP codes sit

Each point is the reference point of one Jo Daviess 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 Jo Daviess 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.