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/WASHINGTON

Washington ZIP code, New Hampshire

The ZIP code for Washington, NH is 03280, and its area code is 603.

USPS city name
1 ZIP code
Population
1,224
Area code
603

Washington in numbers

About 1,224 people live in Washington, in 489 households. The median household income is $90,096 a year, 9% below the New Hampshire median of $99,031 (US: $80,734). The median owner-occupied home is valued at $355,200 (12% below the New Hampshire median).

Population1,224Washington1,224
Households489Washington489
Median household income$90,096Washington$90,096New Hampshire$99,031US $80,734
Median home value$355,200Washington$355,200New Hampshire$402,500US $332,700

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

ZIP codes addressed as Washington

ZIP codes with the USPS city name Washington
ZIP City Type Population Median income Median home
03280 Washington , NH Standard 1,224 $90,096 $355,200

Map of Washington ZIP codes

03280

The ZIP codes of Washington, 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 Washington

The nearest larger towns are Hillsborough (1,616 people, 11 mi), Antrim (1,265 people, 12 mi) and Newport (4,758 people, 13 mi).

Towns near Washington
TownPopulationDistance
Newport 4,758 12.8 mi
Henniker 2,993 13.9 mi
Claremont 13,078 18.2 mi
Bellows Falls, VT 2,891 18.8 mi
Keene 22,939 19.5 mi
Springfield, VT 4,237 20.9 mi
Peterborough 2,539 22.6 mi
Jaffrey 3,277 26.4 mi
Concord 44,375 27.0 mi
Goffstown 3,490 27.5 mi
Franklin 8,799 28.0 mi

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

Cite this page

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

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