ZIP code · Twin Mountain · New Hampshire · United States
ZIP code 03595 — Twin Mountain
ZIP code 03595 serves Twin Mountain, New Hampshire.
- Postal code
- 03595Single source Value from one source, not cross-checked.
- City
- Twin Mountain
- County
- Coos FIPS 33007
- State
- New Hampshire
- Country
- United States
- Coordinates
- 44.2689, -71.5471 — precision precise (locality)
View on OpenStreetMap - Population
- 715 (ZCTA, ACS 5-year)
- Population density
- 19 / sq mi
- Land area
- 36.8 sq mi (95.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $78,750
- Per-capita income
- $46,429
- Median age
- 59.5
- Households
- 383
- Housing units
- 601
- Median home value
- $229,100
- Median gross rent
- $1,110 / month
- Congressional district
- NH-2 (119th Congress)
- USDA hardiness zone
- 4b (-25 to -20 °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 03595 with another ZIP · ZIPs within 25 miles · distance from 03595
Nearby localities
Map of ZIP code 03595
Climate — monthly normals
Warmest month Jul (avg high 80°F), coldest Jan (avg low 3°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 28 | 30 | 40 | 53 | 67 | 76 | 80 | 79 | 72 | 58 | 45 | 33 |
| Avg low °F | 3 | 4 | 14 | 27 | 39 | 48 | 53 | 50 | 42 | 32 | 24 | 12 |
| Precip in | 2.6 | 2.0 | 2.6 | 3.1 | 3.7 | 4.2 | 4.6 | 4.2 | 3.6 | 4.0 | 3.0 | 3.3 |
NOAA 1991–2020 climate normals from the nearest station: BETHLEHEM 2 (6.0 mi) · NOAA NCEI
Places in ZIP 03595
- 1 schools
- 3 restaurants & cafés
- 1 parks
- 1 post offices
- 2 places of worship
- 2 gas stations
- 2 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