ZIP code · Somersworth · New Hampshire · United States

ZIP code 03878 — Somersworth

Name: Somersworth (03878)
Address: New Hampshire, 03878, US

ZIP code 03878 serves Somersworth, New Hampshire.

Postal code: 03878
Single source Value from one source, not cross-checked.
City: Somersworth
County: Strafford
State: New Hampshire
Country: United States
Coordinates: 43.2525, -70.8756 — precision precise (locality)
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Nearby localities

03869Rollinsford · 4.5 km
03821Dover · 6.1 km
03822Dover · 6.1 km
03820Dover · 7.1 km
03839Rochester · 8.8 km
03868Rochester · 9.2 km
03866Rochester · 9.9 km
03867Rochester · 9.9 km
03823Madbury · 10 km
03825Barrington · 14 km

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames. Data generated on 2026-08-21. Methodology · Report an error on this page