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/CT/NORTHWEST-HARWINTON

Northwest Harwinton ZIP codes, Connecticut

No ZIP code is named for Northwest Harwinton, CT; addresses there use a neighbouring town's name. The ZIP code covering it is 06791. Its area codes are 860 and 959.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
3,088
Area codes
860, 959

NANPA lists no telephone rate centre for Northwest Harwinton itself, so these are the area codes of the nearest one, Harwinton (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Northwest Harwinton in numbers

About 3,088 people live in Northwest Harwinton, in 1,312 households. The median household income is $109,458 a year, 14% above the Connecticut median of $95,781 (US: $80,734). The median owner-occupied home is valued at $330,500 (10% below the Connecticut median), and median gross rent is $1,446 a month. The median age is 46.0; 39.7% of adults 25 and over hold a bachelor's degree or higher (42.5% across Connecticut); the average commute takes 31 minutes.

Population3,088Northwest Harwinton3,088
Households1,312Northwest Harwinton1,312
Median age46.0Northwest Harwinton46.0Connecticut41.1US 38.9
Median household income$109,458Northwest Harwinton$109,458Connecticut$95,781US $80,734
Median home value$330,500Northwest Harwinton$330,500Connecticut$366,900US $332,700
Median gross rent$1,446Northwest Harwinton$1,446Connecticut$1,488US $1,413
Bachelor's degree or higher39.7%Northwest Harwinton39.7%Connecticut42.5%US 35.7%
Mean commute30.6 minNorthwest Harwinton30.6 minConnecticut26.5 minUS 26.4 min
Population density355 / sq miNorthwest Harwinton355 / sq mi

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

ZIP codes covering Northwest Harwinton

These ZIP codes cover part of Northwest Harwinton but are addressed as somewhere else.

ZIP codes overlapping Northwest Harwinton
ZIP City Type Population Median income Median home
06791 Harwinton , CT Standard 5,602 $129,762 $351,700

Map of Northwest Harwinton ZIP codes

06791

The ZIP codes of Northwest Harwinton, CT, 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 Northwest Harwinton

The nearest larger towns are Torrington (35,547 people, 4.8 mi), Terryville (5,461 people, 7.7 mi) and Collinsville (3,963 people, 8.6 mi).

Towns near Northwest Harwinton
TownPopulationDistance
Torrington 35,547 4.8 mi
Terryville 5,461 7.7 mi
Collinsville 3,963 8.6 mi
Bristol 61,462 9.7 mi
Winsted 6,977 10.3 mi
Watertown 3,897 12.3 mi
Oakville 9,276 13.0 mi
Weatogue 2,672 13.8 mi
West Simsbury 3,000 13.9 mi
Waterbury 114,869 15.2 mi
Simsbury Center 6,198 15.8 mi
New Britain 74,223 16.6 mi
West Hartford 63,620 16.7 mi
Newington 30,896 19.0 mi

More nearby: every ZIP code in Litchfield County · Connecticut ZIP codes

Cite this page

zipcodes.pro. “Northwest Harwinton, CT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ct/northwest-harwinton

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