Find the last 4 digits (ZIP+4) for an address in 03854

ZIP 03854, New Castle, NH is filled in. Just type the street address.

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ZIP Code 03854 – New Castle, NH

New Castle, New Hampshire · Rockingham County · Eastern time

ZIP code03854
CityNew Castle
StateNew Hampshire
CountyRockingham County
Area code603
Population827
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area0.81 sq mi
Center (lat, long)43.0621, -70.7171

Map

Nearby ZIP codes

03802 Portsmouth · 2.4 mi03803 Portsmouth · 2.4 mi03804 Portsmouth · 2.4 mi03904 Kittery · 3.4 mi03870 Rye · 3.7 mi03801 Portsmouth · 4.5 mi03871 Rye Beach · 6.4 mi03911 York Harbor · 6.5 mi

About ZIP 03854

ZIP code 03854 is assigned to New Castle, New Hampshire. It lies in Rockingham County. Its Census area covers about 0.81 square miles of land. The closest neighboring ZIP is 03802 (Portsmouth), about 2.4 miles away.

Every address in 03854 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