ZIP code · North Sandwich · New Hampshire · United States

ZIP code 03259 — North Sandwich

ZIP code 03259 serves North Sandwich, New Hampshire.

Postal code
03259
Single source Value from one source, not cross-checked.
City
North Sandwich
County
Carroll FIPS 33003
State
New Hampshire
Country
United States
Coordinates
43.8452, -71.3850 — precision precise (locality)
View on OpenStreetMap
Population
237 (ZCTA, ACS 5-year)
Population density
7 / sq mi
Land area
33.3 sq mi (86.2 km²) (ZCTA, ACS 5-year)
Median household income
$82,024
Per-capita income
$78,049
Median age
65.6
Households
138
Housing units
236
Median home value
$372,100
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 (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

  • 03227Center Sandwich · 6.2 km
  • 03897Wonalancet · 7.4 km
  • 03883South Tamworth · 7.5 km
  • 03886Tamworth · 9.8 km
  • 03817Chocorua · 13 km
  • 03254Moultonborough · 13 km
  • 03215Waterville Valley · 15 km
  • 03890West Ossipee · 16 km
  • 03875Silver Lake · 16 km
  • 03850Melvin Village · 17 km

Climate — monthly normals

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

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F293342556877828072584534
Avg low °F101019304251575548372717
Precip in3.93.34.25.03.95.04.94.04.76.04.74.9

NOAA 1991–2020 climate normals from the nearest station: E SANDWICH (3.2 mi) · NOAA NCEI

Places in ZIP 03259

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