Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — CITY/NH/NEWTON

Newton ZIP code, New Hampshire

The ZIP code for Newton, NH is 03858, and its area code is 603.

USPS city name
1 ZIP code
Population
4,836
Area code
603

NANPA lists no telephone rate centre for Newton itself, so these are the area codes of the nearest one, Plaistow (2.9 miles). A town on an area-code boundary can differ from its neighbour.

Newton in numbers

About 4,836 people live in Newton, in 1,856 households. The median household income is $138,487 a year, 40% above the New Hampshire median of $99,031 (US: $80,734). The median owner-occupied home is valued at $459,500 (14% above the New Hampshire median).

Population4,836Newton4,836
Households1,856Newton1,856
Median household income$138,487Newton$138,487New Hampshire$99,031US $80,734
Median home value$459,500Newton$459,500New Hampshire$402,500US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Newton. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Newton

ZIP codes with the USPS city name Newton
ZIP City Type Population Median income Median home
03858 Newton , NH Standard 4,836 $138,487 $459,500

Map of Newton ZIP codes

03858

The ZIP codes of Newton, NH, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Newton

The nearest larger towns are Amesbury, MA (17,403 people, 4.8 mi), Haverhill, MA (67,698 people, 6.4 mi) and Exeter (9,964 people, 8.9 mi).

Towns near Newton
TownPopulationDistance
Amesbury, MA 17,403 4.8 mi
Haverhill, MA 67,698 6.4 mi
Exeter 9,964 8.9 mi
Newburyport, MA 18,652 9.0 mi
Salisbury, MA 5,656 10.4 mi
Methuen, MA 53,475 11.1 mi
Epping 2,796 11.7 mi
Derry 21,339 12.0 mi
Hampton Beach 2,605 12.2 mi
Hampton 10,101 12.3 mi
Lawrence, MA 88,736 13.1 mi
Raymond 3,645 13.2 mi
Newmarket 5,679 15.2 mi
Andover, MA 9,451 15.6 mi

More nearby: every ZIP code in Rockingham County · New Hampshire ZIP codes

Cite this page

zipcodes.pro. “Newton, NH ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/nh/newton

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