ZIP code · Hill · New Hampshire · United States

ZIP code 03243 — Hill

ZIP code 03243 serves Hill, New Hampshire.

Postal code
03243
Single source Value from one source, not cross-checked.
City
Hill
County
Merrimack FIPS 33013
State
New Hampshire
Country
United States
Coordinates
43.5274, -71.7292 — precision precise (locality)
View on OpenStreetMap
Population
924 (ZCTA, ACS 5-year)
Population density
36 / sq mi
Land area
25.6 sq mi (66.3 km²) (ZCTA, ACS 5-year)
Median household income
$79,750
Per-capita income
$35,402
Median age
48.9
Households
364
Housing units
451
Median home value
$243,300
Median gross rent
$985 / month
Congressional district
NH-2 (119th Congress)
USDA hardiness zone
5b (-15 to -10 °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 (from the nearest rate centre)
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 9°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F303342566876828072594635
Avg low °F91020314352585648372617
Precip in3.12.83.33.53.64.34.24.13.74.93.94.0

NOAA 1991–2020 climate normals from the nearest station: FRANKLIN FALLS DAM (5.5 mi) · NOAA NCEI

Places in ZIP 03243

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