ZIP code · Thornton · New Hampshire · United States

ZIP code 03285 — Thornton

ZIP code 03285 serves Thornton, New Hampshire.

Postal code
03285
Single source Value from one source, not cross-checked.
City
Thornton
County
Grafton
State
New Hampshire
Country
United States
Coordinates
43.9050, -71.6470 — precision precise (locality)
View on OpenStreetMap
Population
2,763 (ZCTA, ACS 5-year)
Median household income
$81,094
Median age
47.3
Time zone
America/New_York (UTC−5 / UTC−4 DST)

Nearby localities

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). Data generated on 2026-08-21. Methodology · Report an error on this page