Find the last 4 digits (ZIP+4) for an address in 03837

ZIP 03837, Gilmanton Iron Works, NH is filled in. Just type the street address.

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ZIP Code 03837 – Gilmanton Iron Works, NH

Gilmanton Iron Works, New Hampshire · Belknap County · Eastern time

ZIP code03837
CityGilmanton Iron Works
StateNew Hampshire
CountyBelknap County
Area code603
Population1,451
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area19.97 sq mi
Center (lat, long)43.4223, -71.3361

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Nearby ZIP codes

03237 Gilmanton · 2.7 mi03225 Center Barnstead · 6.2 mi03810 Alton Bay · 6.6 mi03218 Barnstead · 6.7 mi03249 Gilford · 7 mi03809 Alton · 7.4 mi03220 Belmont · 8.2 mi03307 Loudon · 8.2 mi

About ZIP 03837

ZIP code 03837 is assigned to Gilmanton Iron Works, New Hampshire. It lies in Belknap County. Its Census area covers about 19.97 square miles of land. The closest neighboring ZIP is 03237 (Gilmanton), about 2.7 miles away.

Every address in 03837 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