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/MERRIMACK

Merrimack ZIP code, New Hampshire

The ZIP code for Merrimack, NH is 03054, and its area code is 603.

USPS city name
1 ZIP code
Population
28,176
Area code
603

Merrimack in numbers

About 28,176 people live in Merrimack, in 10,850 households. The median household income is $127,303 a year, 29% above the New Hampshire median of $99,031 (US: $80,734). The median owner-occupied home is valued at $458,700 (14% above the New Hampshire median).

Population28,176Merrimack28,176
Households10,850Merrimack10,850
Median household income$127,303Merrimack$127,303New Hampshire$99,031US $80,734
Median home value$458,700Merrimack$458,700New Hampshire$402,500US $332,700

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

ZIP codes addressed as Merrimack

ZIP codes with the USPS city name Merrimack
ZIP City Type Population Median income Median home
03054 Merrimack , NH Standard 28,176 $127,303 $458,700

Map of Merrimack ZIP codes

03054

The ZIP codes of Merrimack, 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 Merrimack

The nearest larger towns are Nashua (91,294 people, 7.3 mi), Manchester (115,643 people, 10.0 mi) and Lowell, MA (118,368 people, 18 mi).

Towns near Merrimack
TownPopulationDistance
East Merrimack 5,081 2.4 mi
Nashua 91,294 7.3 mi
Hudson 7,469 7.5 mi
Londonderry 12,225 8.0 mi
Milford 8,956 8.2 mi
Manchester 115,643 10.0 mi
Pinardville 4,418 10.3 mi
Derry 21,339 12.3 mi
Goffstown 3,490 12.4 mi
South Hooksett 5,902 13.0 mi
Hooksett 5,876 17.0 mi
Lowell, MA 118,368 17.8 mi
Methuen, MA 53,475 18.9 mi
Suncook 5,432 19.9 mi

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

Cite this page

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

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