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ZIP Code 03285 – Thornton, NH

Thornton, New Hampshire · Grafton County · Eastern time

ZIP code03285
CityThornton
StateNew Hampshire
CountyGrafton County
Area code603
Population2,799
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area50.09 sq mi
Center (lat, long)43.9479, -71.6358

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Nearby ZIP codes

03293 Woodstock · 2.8 mi03262 North Woodstock · 5.3 mi03223 Campton · 6.8 mi03259 North Sandwich · 8.3 mi03251 Lincoln · 10.1 mi03279 Warren · 11.2 mi03785 Woodsville · 12.1 mi03227 Center Sandwich · 12.5 mi

About ZIP 03285

ZIP code 03285 is assigned to Thornton, New Hampshire. It lies in Grafton County. Its Census area covers about 50.09 square miles of land. The closest neighboring ZIP is 03293 (Woodstock), about 2.8 miles away.

Every address in 03285 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources