Montour County ZIP Codes

Montour County is a county of Pennsylvania.

ZIP codes: 3
Cities & towns: 2
Area codes: 4
Land area: 130 sq mi

Every ZIP code in Montour County

178xx

The complete list of Montour County, PA ZIP codes with the city each one delivers to.
ZIP code	City
17821	Danville
17822	Danville
17884	Washingtonville

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Montour County

Area codes covering Montour County

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

Where Montour County's ZIP codes sit

Each point is the reference point of one Montour 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 Montour 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.