ZIP code · Conway · New Hampshire · United States
ZIP code 03818 — Conway
ZIP code 03818 serves Conway, New Hampshire.
- Postal code
- 03818Single source Value from one source, not cross-checked.
- City
- Conway
- County
- Carroll FIPS 33003
- State
- New Hampshire
- Country
- United States
- Coordinates
- 43.9742, -71.1503 — precision precise (locality)
View on OpenStreetMap - Population
- 3,930 (ZCTA, ACS 5-year)
- Population density
- 47 / sq mi
- Land area
- 84.5 sq mi (218.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $73,346
- Per-capita income
- $41,225
- Median age
- 42.6
- Households
- 1,647
- Housing units
- 2,174
- Median home value
- $284,200
- Median gross rent
- $941 / month
- Congressional districts
- NH-2 (also NH-1) (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
- 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 03818 with another ZIP · ZIPs within 25 miles · distance from 03818
Nearby localities
Map of ZIP code 03818
Climate — monthly normals
Warmest month Jul (avg high 81°F), coldest Jan (avg low 10°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 30 | 33 | 42 | 55 | 68 | 76 | 81 | 80 | 72 | 59 | 46 | 36 |
| Avg low °F | 10 | 11 | 20 | 31 | 43 | 53 | 58 | 56 | 48 | 37 | 27 | 18 |
| Precip in | 3.6 | 3.2 | 3.7 | 4.4 | 3.7 | 4.5 | 4.5 | 4.4 | 3.7 | 5.5 | 4.5 | 4.5 |
NOAA 1991–2020 climate normals from the nearest station: N CONWAY (5.8 mi) · NOAA NCEI
Places in ZIP 03818
- 3 schools
- 2 doctors & dentists
- 4 restaurants & cafés
- 2 parks
- 2 playgrounds
- 1 libraries
- 1 post offices
- 5 places of worship
- 3 banks
- 2 gas stations
- 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