ZIP code · Winchester · New Hampshire · United States

ZIP code 03470 — Winchester

ZIP code 03470 serves Winchester, New Hampshire.

Postal code
03470
Single source Value from one source, not cross-checked.
City
Winchester
County
Cheshire FIPS 33005
State
New Hampshire
Country
United States
Coordinates
42.7788, -72.3440 — precision precise (locality)
View on OpenStreetMap
Population
5,038 (ZCTA, ACS 5-year)
Population density
57 / sq mi
Land area
88.2 sq mi (228.5 km²) (ZCTA, ACS 5-year)
Median household income
$73,250
Per-capita income
$35,701
Median age
43.1
Households
1,900
Housing units
2,248
Median home value
$250,100
Median gross rent
$1,106 / month
Congressional district
NH-2 (119th Congress)
USDA hardiness zone
6a (-10 to -5 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/New_York (UTC−5 / UTC−4 DST)
Area code
603
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Nearby localities

Climate — monthly normals

Warmest month Jul (avg high 82°F), coldest Jan (avg low 10°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F303443576977828173604736
Avg low °F101120304151565447362718
Precip in3.12.83.43.43.84.44.54.34.34.93.53.9

NOAA 1991–2020 climate normals from the nearest station: KEENE (11.1 mi) · NOAA NCEI

Places in ZIP 03470

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page