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/PLAISTOW

Plaistow ZIP code, New Hampshire

The ZIP code for Plaistow, NH is 03865, and its area code is 603.

USPS city name
1 ZIP code
Population
7,861
Area code
603

Plaistow in numbers

About 7,861 people live in Plaistow, in 3,185 households. The median household income is $108,317 a year, 9% above the New Hampshire median of $99,031 (US: $80,734). The median owner-occupied home is valued at $404,500 (about the same as the New Hampshire median).

Population7,861Plaistow7,861
Households3,185Plaistow3,185
Median household income$108,317Plaistow$108,317New Hampshire$99,031US $80,734
Median home value$404,500Plaistow$404,500New Hampshire$402,500US $332,700

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

ZIP codes addressed as Plaistow

ZIP codes with the USPS city name Plaistow
ZIP City Type Population Median income Median home
03865 Plaistow , NH Standard 7,861 $108,317 $404,500

Map of Plaistow ZIP codes

03865

The ZIP codes of Plaistow, 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 Plaistow

The nearest larger towns are Haverhill, MA (67,698 people, 4.3 mi), Amesbury, MA (17,403 people, 7.0 mi) and Methuen, MA (53,475 people, 8.3 mi).

Towns near Plaistow
TownPopulationDistance
Haverhill, MA 67,698 4.3 mi
Amesbury, MA 17,403 7.0 mi
Methuen, MA 53,475 8.3 mi
Derry 21,339 10.0 mi
Lawrence, MA 88,736 10.6 mi
Newburyport, MA 18,652 10.7 mi
Exeter 9,964 11.8 mi
Salisbury, MA 5,656 12.5 mi
Epping 2,796 13.1 mi
Andover, MA 9,451 13.4 mi
Londonderry 12,225 13.6 mi
Raymond 3,645 13.8 mi
Hampton Beach 2,605 15.0 mi
Hampton 10,101 15.2 mi

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

Cite this page

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

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