Seneca County ZIP Codes

Seneca County is a county of New York.

ZIP codes: 8
Cities & towns: 8
Area codes: 3
Land area: 324 sq mi

Every ZIP code in Seneca County

130xx–148xx

The complete list of Seneca County, NY ZIP codes with the city each one delivers to.
ZIP code	City
13065	Fayette
13148	Seneca Falls
13165	Waterloo
14521	Ovid
14541	Romulus
14588	Willard
14847	Interlaken
14860	Lodi

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Seneca County

A further 4 places in Seneca 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 Seneca County

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

Where Seneca County's ZIP codes sit

Each point is the reference point of one Seneca 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 Seneca 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.