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/NEW-BOSTON

New Boston ZIP code, New Hampshire

The ZIP code for New Boston, NH is 03070, and its area code is 603.

USPS city name
1 ZIP code
Population
245
Area code
603

New Boston in numbers

About 245 people live in New Boston, in 75 households. The median household income is $250,000+ a year (US: $80,734). The median age is 58.1; 72.6% of adults 25 and over hold a bachelor's degree or higher (40.6% across New Hampshire).

Population245New Boston245
Households75New Boston75
Median age58.1New Boston58.1New Hampshire43.3US 38.9
Median household income$250,000+New Boston$250,000+New Hampshire$99,031US $80,734
Bachelor's degree or higher72.6%New Boston72.6%New Hampshire40.6%US 35.7%
Population density475 / sq miNew Boston475 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place New Boston CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as New Boston

ZIP codes with the USPS city name New Boston
ZIP City Type Population Median income Median home
03070 New Boston , NH Standard 6,177 $154,000 $480,300

Map of New Boston ZIP codes

03070

The ZIP codes of New Boston, 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 New Boston

The nearest larger towns are Klondike Corner (488 people, 3.2 mi), Goffstown (3,490 people, 5.7 mi) and Amherst (726 people, 8.7 mi).

Towns near New Boston
TownPopulationDistance
Goffstown 3,490 5.7 mi
Pinardville 4,418 9.3 mi
Milford 8,956 10.1 mi
Manchester 115,643 12.6 mi
East Merrimack 5,081 13.0 mi
South Hooksett 5,902 13.9 mi
Hooksett 5,876 14.4 mi
Peterborough 2,539 15.2 mi
Henniker 2,993 15.4 mi
Suncook 5,432 16.4 mi
Concord 44,375 18.8 mi
Londonderry 12,225 18.8 mi
Nashua 91,294 18.9 mi
Hudson 7,469 19.9 mi

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

Cite this page

zipcodes.pro. “New Boston, NH ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/nh/new-boston

Underlying data is public domain or openly licensed — sources, vintages and licences.