Putnam County ZIP Codes

Putnam County is a county of New York.

ZIP codes
9
Cities & towns
9
Area codes
3
Land area
230 sq mi

Every ZIP code in Putnam County

105xx–125xx
The complete list of Putnam County, NY ZIP codes with the city each one delivers to.
ZIP codeCity
10509Brewster
10512Carmel
10516Cold Spring
10524Garrison
10537Lake Peekskill
10541Mahopac
10542Mahopac Falls
10579Putnam Valley
12563Patterson

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 7 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 . The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.