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/FARMINGTON

Farmington ZIP code, New Hampshire

The ZIP code for Farmington, NH is 03835, and its area code is 603.

USPS city name
1 ZIP code
Population
3,924
Area code
603

Farmington in numbers

About 3,924 people live in Farmington, in 1,678 households, the 31st-largest of New Hampshire's 100 census places. The median household income is $55,029 a year, 44% below the New Hampshire median of $99,031 (US: $80,734). The median owner-occupied home is valued at $229,600 (43% below the New Hampshire median), and median gross rent is $1,076 a month. The median age is 42.9; 11.8% of adults 25 and over hold a bachelor's degree or higher (40.6% across New Hampshire); the average commute takes 30 minutes.

Population3,924Farmington3,924
Households1,678Farmington1,678
Median age42.9Farmington42.9New Hampshire43.3US 38.9
Median household income$55,029Farmington$55,029New Hampshire$99,031US $80,734
Median home value$229,600Farmington$229,600New Hampshire$402,500US $332,700
Median gross rent$1,076Farmington$1,076New Hampshire$1,491US $1,413
Bachelor's degree or higher11.8%Farmington11.8%New Hampshire40.6%US 35.7%
Mean commute30.0 minFarmington30.0 minNew Hampshire26.7 minUS 26.4 min
Population density627 / sq miFarmington627 / sq mi

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

ZIP codes addressed as Farmington

ZIP codes with the USPS city name Farmington
ZIP City Type Population Median income Median home
03835 Farmington , NH Standard 6,804 $66,982 $289,800

Map of Farmington ZIP codes

03835

The ZIP codes of Farmington, 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 Farmington

The nearest larger towns are Rochester (33,144 people, 8.5 mi), Somersworth (12,111 people, 14 mi) and Sanford, ME (22,247 people, 16 mi).

Towns near Farmington
TownPopulationDistance
Rochester 33,144 8.5 mi
Somersworth 12,111 13.7 mi
Wolfeboro 2,531 15.1 mi
Sanford, ME 22,247 15.9 mi
Dover 33,364 17.5 mi
South Berwick, ME 3,381 18.1 mi
Durham 10,681 19.2 mi
South Eliot, ME 4,203 23.0 mi
Newmarket 5,679 23.3 mi
Laconia 17,085 23.9 mi
Lake Arrowhead, ME 3,322 24.5 mi
Epping 2,796 25.2 mi
Raymond 3,645 25.7 mi
Tilton Northfield 3,101 26.3 mi

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

Cite this page

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

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