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 — STATE/CT/COUNTY/NORTHEASTERN-CONNECTICUT-PLANNING-REGION

Northeastern Connecticut Planning Region, CT ZIP codes

There are 31 ZIP codes in Northeastern Connecticut Planning Region, CT, in 31 towns, from 06230 to 06387. The largest are 06239 (Danielson), 06260 (Putnam) and 06234 (Brooklyn).

Connecticut abolished county government in 1960, and since 2022 the Census Bureau counts nine planning regions in place of its eight counties. ZIP codes are still placed by the old counties, so each one here is also listed under its county. Its ZIP codes are in Windham County (30) and New London County (1).

ZIP codes
31
Towns
31
County FIPS
09150
Population
96,312
Median household income
$90,589
Land area
554 sq mi

Northeastern Connecticut Planning Region ZIP codes by town

Each ZIP code is listed under the region its central point lies in and the town the Postal Service names it for.

Map of Northeastern Connecticut Planning Region ZIP codes

06230062330623406235062390624106242062430624406245062460624706258062590626006262062630626406267062770627806281062820633106332063540637306374063770638406387

The ZIP codes of Northeastern Connecticut Planning Region, 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.

Northeastern Connecticut Planning Region in numbers

About 96,312 people live in Northeastern Connecticut Planning Region, in 39,412 households. The median household income is $90,589 a year, 5% below the Connecticut median of $95,781 (US: $80,734). The median owner-occupied home is valued at $307,600 (16% below the Connecticut median), and median gross rent is $1,155 a month. The median age is 44.1; 26.1% of adults 25 and over hold a bachelor's degree or higher (42.5% across Connecticut); the average commute takes 29 minutes.

Population96,312Northeastern Connecticut Planning Region96,312
Households39,412Northeastern Connecticut Planning Region39,412
Median age44.1Northeastern Connecticut Planning Region44.1Connecticut41.1US 38.9
Median household income$90,589Northeastern Connecticut Planning Region$90,589Connecticut$95,781US $80,734
Median home value$307,600Northeastern Connecticut Planning Region$307,600Connecticut$366,900US $332,700
Median gross rent$1,155Northeastern Connecticut Planning Region$1,155Connecticut$1,488US $1,413
Bachelor's degree or higher26.1%Northeastern Connecticut Planning Region26.1%Connecticut42.5%US 35.7%
Mean commute29.0 minNortheastern Connecticut Planning Region29.0 minConnecticut26.5 minUS 26.4 min
Population density174 / sq miNortheastern Connecticut Planning Region174 / sq mi

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

Not sure you are in Northeastern Connecticut Planning Region? What county am I in? answers from your location, near a county line included.

Every ZIP code in Northeastern Connecticut Planning Region, with figures

ZIP codes in Northeastern Connecticut Planning Region
ZIP City Type Population Median income Median home
06230 Abington , CT No street area — — —
06233 Ballouville , CT No street area — — —
06234 Brooklyn , CT Standard 8,517 $96,207 $315,200
06235 Chaplin , CT Standard 2,018 $98,059 $256,300
06239 Danielson , CT Standard 11,185 $74,267 $277,500
06241 Dayville , CT Standard 6,585 $88,389 $298,200
06242 Eastford , CT Standard 1,290 $89,250 $353,100
06243 East Killingly , CT Standard 83 $122,083 —
06244 East Woodstock , CT No street area — — —
06245 Fabyan , CT No street area — — —
06246 Grosvenor Dale , CT No street area — — —
06247 Hampton , CT Standard 2,412 $108,854 $293,000
06258 Pomfret , CT Standard 114 — —
06259 Pomfret Center , CT Standard 4,568 $108,476 $401,700
06260 Putnam , CT Standard 9,266 $70,502 $269,500
06262 Quinebaug , CT Standard 813 — $218,400
06263 Rogers , CT Standard 498 $88,011 —
06264 Scotland , CT Standard 139 $100,227 $320,600
06267 South Woodstock , CT No street area — — —
06277 Thompson , CT Standard 4,004 $110,000 $295,100
06278 Ashford , CT Standard 4,337 $121,875 $335,500
06281 Woodstock , CT Standard 7,237 $125,778 $428,800
06282 Woodstock Valley , CT Standard 1,134 $91,780 $353,400
06331 Canterbury , CT Standard 5,145 $103,198 $334,200
06332 Central Village , CT Standard 1,015 $61,840 $235,300
06354 Moosup , CT Standard 6,031 $87,711 $298,600
06373 Oneco , CT Standard 219 — $270,800
06374 Plainfield , CT Standard 7,838 $71,882 $248,700
06377 Sterling , CT Standard 2,927 $97,308 $275,900
06384 Voluntown , CT Standard 2,663 $106,518 $354,900
06387 Wauregan , CT Standard 178 $108,787 $270,500

Cite this page

zipcodes.pro. “Northeastern Connecticut Planning Region ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ct/county/northeastern-connecticut-planning-region

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