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

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/NH/HARRISVILLE

Harrisville ZIP code, New Hampshire

The ZIP code for Harrisville, NH is 03450, and its area code is 603.

USPS city name
1 ZIP code
Population
885
Area code
603

Harrisville in numbers

About 885 people live in Harrisville, in 387 households. The median household income is $103,036 a year, 4% above the New Hampshire median of $99,031 (US: $80,734). The median owner-occupied home is valued at $430,500 (7% above the New Hampshire median).

Population885Harrisville885
Households387Harrisville387
Median household income$103,036Harrisville$103,036New Hampshire$99,031US $80,734
Median home value$430,500Harrisville$430,500New Hampshire$402,500US $332,700

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

ZIP codes addressed as Harrisville

ZIP codes with the USPS city name Harrisville
ZIP City Type Population Median income Median home
03450 Harrisville , NH Standard 885 $103,036 $430,500

Map of Harrisville ZIP codes

03450

The ZIP codes of Harrisville, 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 Harrisville

The nearest larger towns are Peterborough (2,539 people, 7.4 mi), Marlborough (1,048 people, 7.8 mi) and Antrim (1,265 people, 8.9 mi).

Towns near Harrisville
TownPopulationDistance
Peterborough 2,539 7.4 mi
Jaffrey 3,277 9.8 mi
Keene 22,939 12.0 mi
Winchendon, MA 4,331 18.6 mi
Henniker 2,993 20.5 mi
Milford 8,956 21.3 mi
Bellows Falls, VT 2,891 23.5 mi
Baldwinville, MA 2,528 23.8 mi
Goffstown 3,490 24.3 mi
Gardner, MA 21,148 25.5 mi
Brattleboro, VT 7,657 25.5 mi
Athol, MA 8,801 25.9 mi
Orange, MA 3,737 26.3 mi
Fitchburg, MA 41,798 27.2 mi

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

Cite this page

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

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