ZIP code · New Boston · New Hampshire · United States
ZIP code 03070 — New Boston
ZIP code 03070 serves New Boston, New Hampshire.
- Postal code
- 03070Single source Value from one source, not cross-checked.
- City
- New Boston
- County
- Hillsborough FIPS 33011
- State
- New Hampshire
- Country
- United States
- Coordinates
- 42.9722, -71.6864 — precision precise (locality)
View on OpenStreetMap - Population
- 6,143 (ZCTA, ACS 5-year)
- Population density
- 143 / sq mi
- Land area
- 43.1 sq mi (111.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $151,296
- Per-capita income
- $60,693
- Median age
- 40.3
- Households
- 2,092
- Housing units
- 2,189
- Median home value
- $436,300
- Median gross rent
- $1,140 / 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
- 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 03070 with another ZIP · ZIPs within 25 miles · distance from 03070
Nearby localities
Map of ZIP code 03070
Climate — monthly normals
Warmest month Jul (avg high 80°F), coldest Jan (avg low 13°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 31 | 34 | 42 | 55 | 67 | 75 | 80 | 78 | 71 | 58 | 47 | 37 |
| Avg low °F | 13 | 14 | 23 | 33 | 45 | 55 | 60 | 58 | 50 | 38 | 30 | 20 |
NOAA 1991–2020 climate normals from the nearest station: WEARE (8.2 mi) · NOAA NCEI
Places in ZIP 03070
- 1 schools
- 3 restaurants & cafés
- 1 parks
- 2 playgrounds
- 1 places of worship
- 1 police & fire stations
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