ZIP code · Chesterfield · New Hampshire · United States
ZIP code 03443 — Chesterfield
ZIP code 03443 serves Chesterfield, New Hampshire.
- Postal code
- 03443Single source Value from one source, not cross-checked.
- City
- Chesterfield
- County
- Cheshire FIPS 33005
- State
- New Hampshire
- Country
- United States
- Coordinates
- 42.8839, -72.4548 — precision precise (locality)
View on OpenStreetMap - Population
- 421 (ZCTA, ACS 5-year)
- Population density
- 39 / sq mi
- Land area
- 10.7 sq mi (27.8 km²) (ZCTA, ACS 5-year)
- Per-capita income
- $69,852
- Median age
- 64.7
- Households
- 238
- Housing units
- 238
- Median home value
- $299,300
- 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
- 603Telephone 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.
Tools: compare 03443 with another ZIP · ZIPs within 25 miles · distance from 03443
Nearby localities
Map of ZIP code 03443
Climate — monthly normals
Warmest month Jul (avg high 82°F), coldest Jan (avg low 10°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 30 | 34 | 43 | 57 | 69 | 77 | 82 | 81 | 73 | 60 | 47 | 36 |
| Avg low °F | 10 | 11 | 20 | 30 | 41 | 51 | 56 | 54 | 47 | 36 | 27 | 18 |
| Precip in | 3.1 | 2.8 | 3.4 | 3.4 | 3.8 | 4.4 | 4.5 | 4.3 | 4.3 | 4.9 | 3.5 | 3.9 |
NOAA 1991–2020 climate normals from the nearest station: KEENE (7.6 mi) · NOAA NCEI
Places in ZIP 03443
- 1 schools
- 2 places of worship
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