Find the last 4 digits (ZIP+4) for an address in 03031

ZIP 03031, Amherst, NH is filled in. Just type the street address.

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ZIP Code 03031 – Amherst, NH

Amherst, New Hampshire · Hillsborough County · Eastern time

ZIP code03031
CityAmherst
StateNew Hampshire
CountyHillsborough County
Area code603
Population11,849
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area33.92 sq mi
Center (lat, long)42.8748, -71.6005

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Nearby ZIP codes

03054 Merrimack · 4.4 mi03110 Bedford · 5.3 mi03057 Mont Vernon · 5.3 mi03055 Milford · 5.3 mi03052 Litchfield · 7 mi03063 Nashua · 7.6 mi03070 New Boston · 8.3 mi03086 Wilton · 8.6 mi

About ZIP 03031

ZIP code 03031 is assigned to Amherst, New Hampshire. It lies in Hillsborough County. Its Census area covers about 33.92 square miles of land. The closest neighboring ZIP is 03054 (Merrimack), about 4.4 miles away.

Every address in 03031 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