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/SANDOWN

Sandown ZIP code, New Hampshire

The ZIP code for Sandown, NH is 03873, and its area code is 603.

USPS city name
1 ZIP code
Population
6,628
Area code
603

NANPA lists no telephone rate centre for Sandown itself, so these are the area codes of the nearest one, Hampstead (3.8 miles). A town on an area-code boundary can differ from its neighbour.

Sandown in numbers

About 6,628 people live in Sandown, in 2,348 households. The median household income is $135,040 a year, 36% above the New Hampshire median of $99,031 (US: $80,734). The median owner-occupied home is valued at $483,400 (20% above the New Hampshire median).

Population6,628Sandown6,628
Households2,348Sandown2,348
Median household income$135,040Sandown$135,040New Hampshire$99,031US $80,734
Median home value$483,400Sandown$483,400New Hampshire$402,500US $332,700

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

ZIP codes addressed as Sandown

ZIP codes with the USPS city name Sandown
ZIP City Type Population Median income Median home
03873 Sandown , NH Standard 6,628 $135,040 $483,400

Map of Sandown ZIP codes

03873

The ZIP codes of Sandown, 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 Sandown

The nearest larger towns are Derry (21,339 people, 5.9 mi), Londonderry (12,225 people, 11 mi) and Haverhill, MA (67,698 people, 12 mi).

Towns near Sandown
TownPopulationDistance
Derry 21,339 5.9 mi
Raymond 3,645 7.0 mi
Epping 2,796 8.2 mi
Londonderry 12,225 10.6 mi
Haverhill, MA 67,698 11.5 mi
Exeter 9,964 12.4 mi
Amesbury, MA 17,403 12.9 mi
Methuen, MA 53,475 13.2 mi
Manchester 115,643 13.6 mi
South Hooksett 5,902 13.9 mi
East Merrimack 5,081 15.7 mi
Newmarket 5,679 15.7 mi
Lawrence, MA 88,736 16.2 mi
Hudson 7,469 17.2 mi

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

Cite this page

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

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