Cheshire County ZIP Codes

Cheshire County is a county of New Hampshire.

ZIP codes
27
Cities & towns
26
Area codes
1
Land area
707 sq mi

Every ZIP code in Cheshire County

034xx–036xx
The complete list of Cheshire County, NH ZIP codes with the city each one delivers to.
ZIP codeCity
03431Keene
03435Keene
03441Ashuelot
03443Chesterfield
03444Dublin
03445Sullivan
03446Swanzey
03447Fitzwilliam
03448Gilsum
03450Harrisville
03451Hinsdale
03452Jaffrey
03455Marlborough
03456Marlow
03457Nelson
03461Rindge
03462Spofford
03464Stoddard
03465Troy
03466West Chesterfield
03467Westmoreland
03469West Swanzey
03470Winchester
03602Alstead
03604Drewsville
03608Walpole
03609North Walpole

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Cheshire County

A further 18 places in Cheshire 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 Cheshire County

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

Where Cheshire County's ZIP codes sit

Each point is the reference point of one Cheshire 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 Cheshire 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.