ZIP code · West Lebanon · New Hampshire · United States

ZIP code 03784 — West Lebanon

ZIP code 03784 serves West Lebanon, New Hampshire.

Postal code
03784
Single source Value from one source, not cross-checked.
City
West Lebanon
County
Grafton FIPS 33009
State
New Hampshire
Country
United States
Coordinates
43.6440, -72.3007 — precision precise (locality)
View on OpenStreetMap
Population
4,057 (ZCTA, ACS 5-year)
Population density
487 / sq mi
Land area
8.3 sq mi (21.6 km²) (ZCTA, ACS 5-year)
Median household income
$84,303
Per-capita income
$55,884
Median age
38.8
Households
1,909
Housing units
2,168
Median home value
$340,500
Median gross rent
$1,547 / month
Congressional district
NH-2 (119th Congress)
USDA hardiness zone
5a (-20 to -15 °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 83°F), coldest Jan (avg low 9°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F303443577078838173604736
Avg low °F91121324452585649372818
Precip in2.32.12.73.03.33.84.03.63.44.03.02.8

NOAA 1991–2020 climate normals from the nearest station: LEBANON MUNI AP (1.2 mi) · NOAA NCEI

Places in ZIP 03784

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