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ZIP Code 03851 – Milton, NH

Milton, New Hampshire · Strafford County · Eastern time

ZIP code03851
CityMilton
StateNew Hampshire
CountyStrafford County
Area code603
Population4,333
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area26.31 sq mi
Center (lat, long)43.4373, -71.0253

Map

Nearby ZIP codes

03887 Union · 3.9 mi03852 Milton Mills · 4.4 mi03835 Farmington · 5.2 mi04027 Lebanon · 6.2 mi03855 New Durham · 6.6 mi04001 Acton · 8.1 mi03868 Rochester · 8.9 mi03809 Alton · 9 mi

About ZIP 03851

ZIP code 03851 is assigned to Milton, New Hampshire. It lies in Strafford County. Its Census area covers about 26.31 square miles of land. The closest neighboring ZIP is 03887 (Union), about 3.9 miles away.

Every address in 03851 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