Data Last Updated: February 1, 2025

Northeastern Ct Planning Region, CT ZIP Codes

ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with Northeastern Ct, CT.	39 ZIP Codes (23 General, 11 PO Box, 0 Unique, & 5 Multi County) [More Details]
Area Codes: The Telephone Area Codes that are associated with Northeastern Ct, CT. Area Codes are used in the North American Numbering Plan (NANP) to facilitate phone routing. There are approximately 350 area codes in use in the United States.	860, 959
Timezone: Time zone designation within the U.S. Please note that not all areas in the U.S. observe daylight saving time which can affect actual local time for this city. There are 7 standard time zones which are, from west to east: Hawaii-Aleutian, Alaska, Pacific, Mountain, Central, Eastern, Atlantic. Also included in U.S. Territories are Samoa, Guam and Palau.	Eastern
Local Time: The current local time for each timezone. If more than 1 time zone for this area, all local times will be shown. Counties can cross timezones, so more than 1 may be shown.	12:00:00 AM
Population: The population of Northeastern Ct, CT from the U.S. Census 2020. Included are U.S. Citizens, permanent residents, temporary migrants, and undocumented individuals. The total population represents people who live in the city, not just those present while the Census was being completed.	113,950 [More Details]
FIPS: FIPS stands for Federal Information Processing Standards, which are a set of publicly announced standards for computer systems. A county FIPS code is a unique numeric identifier for a county in the United States, assigned by the National Institute of Standards and Technology (NIST). County FIPS codes have five digits, with the first two digits identifying the state and the last 3 indicating the county.	09150
CBSA: A Core Based Statistical Area (CBSA) is the recognized term for a region that functions around an urban core with a population of at least 10,000 people, according to the standards set by the Office of Management and Budget (OMB) in 2000. A CBSA is divided into two subsets: Metro and Micro, and these classifications are determined by population density. A Micro area is identified by a population ranging between 10,000 to 50,000, while a Metro area is defined as having a population that exceeds 50,000.	Putnam, CT
Land Area: The approximate amount of land area covered by Northeastern Ct, CT in square miles. The Land Area provided by the Census Bureau is based on geographic boundaries that include the mainland, islands, inland, coastal, Great Lakes, and territorial waters associated with each city.	554 square miles
Water Area: The approximate amount of water area covered by Northeastern Ct, CT in square miles. Calculations by the Census Bureau for Water Area take into account inland bodies of water, coastal regions, Great Lakes, and territorial sea waters. This encompasses features such as lakes, reservoirs, rivers, and coastal water bodies.	9 square miles
Coordinates: The latitude/longitude centroid coordinates for Northeastern Ct Planning Region, CT.	-71.966485, 41.792088
Quick Link: Copy the direct link to the Northeastern Ct, CTPlanning Region page and use anywhere you like!	https://www.zip-codes.com/county/ct-northeastern-ct.asp

Northeastern Ct, CT ZIP Code Boundaries

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In the United States, a county equivalent is a political or administrative subdivision of a state. It has a specific geographic area and some level of governmental authority. The term "county" is used in 47 states. Alaska, Louisiana, and Connecticut have functionally equivalent subdivisions called Boroughs, Parishes, and Planning Regions, respectively. They functionally act like counties by subdividing the state. Read More about Connecticut Planning Regions: Connecticut changes from Counties to Planning Regions, including a ZIP Code to County Crosswalk file.

Northeastern Ct Planning Region, CT Covers 39 ZIP Codes

ZIP Code	Classification	City	Population	% of Population
ZIP Code 06076 *	General	Stafford Springs	11,988	--
ZIP Code 06230	P.O. Box	Abington	0	0.00%
ZIP Code 06233	P.O. Box	Ballouville	0	0.00%
ZIP Code 06234	General	Brooklyn	8,484	7.45%
ZIP Code 06235 *	General	Chaplin	2,089	--
ZIP Code 06239	General	Danielson	11,410	10.01%
ZIP Code 06241	General	Dayville	6,568	5.76%
ZIP Code 06242	General	Eastford	1,365	1.20%
ZIP Code 06243	General	East Killingly	226	0.20%
ZIP Code 06244	P.O. Box	East Woodstock	0	0.00%
ZIP Code 06245	P.O. Box	Fabyan	0	0.00%
ZIP Code 06246	P.O. Box	Grosvenor Dale	0	0.00%
ZIP Code 06247	General	Hampton	2,603	2.28%
ZIP Code 06250 *	General	Mansfield Center	4,951	--
ZIP Code 06255	General	North Grosvenordale	4,673	4.10%
ZIP Code 06256 *	General	North Windham	2,114	--
ZIP Code 06258	P.O. Box	Pomfret	334	0.29%
ZIP Code 06259	General	Pomfret Center	4,163	3.65%
ZIP Code 06260	General	Putnam	9,236	8.11%
ZIP Code 06262	General	Quinebaug	572	0.50%
ZIP Code 06263	P.O. Box	Rogers	312	0.27%
ZIP Code 06264	General	Scotland	109	0.10%
ZIP Code 06267	P.O. Box	South Woodstock	0	0.00%
ZIP Code 06277	General	Thompson	3,940	3.46%
ZIP Code 06278	General	Ashford	4,266	3.74%
ZIP Code 06279 *	General	Willington	5,566	--
ZIP Code 06280	General	Windham	3,286	2.88%
ZIP Code 06281	General	Woodstock	7,021	6.16%
ZIP Code 06282	General	Woodstock Valley	1,225	1.08%
ZIP Code 06330	General	Baltic	3,167	2.78%
ZIP Code 06331	General	Canterbury	5,085	4.46%
ZIP Code 06332	P.O. Box	Central Village	565	0.50%
ZIP Code 06351	General	Jewett City	15,609	13.70%
ZIP Code 06354	General	Moosup	5,647	4.96%
ZIP Code 06373	P.O. Box	Oneco	267	0.23%
ZIP Code 06374	General	Plainfield	8,108	7.12%
ZIP Code 06377	General	Sterling	2,739	2.40%
ZIP Code 06384	General	Voluntown	2,611	2.29%
ZIP Code 06387	P.O. Box	Wauregan	359	0.32%

* Indicates a Multi County ZIP Code. These ZIP Codes partially cross over into Northeastern Ct, CT, but will mostly cover area in a different County. Not included in % of Population calculations.

Important Northeastern Ct, CT Information

Northeastern Ct Planning Region, CT Covers 39 ZIP Codes. This includes 23 General ZIP Codes, 11 PO Box ZIP Codes, and 0 Unique (reserved for Business and Volume Mail Receivers). There are also 5 Multi County ZIP Codes. These records are assigned a different primary county, but they partially cover area in Northeastern Ct Planning Region.

The population for Northeastern Ct Planning Region is 113,950, according to the U.S. Census. Population Density is 205.69 persons per square mile. With 49,327 Housing Units, the Average Household Size is 2.45 persons. There are 45,674 Family Households with an Average Family Size of 2.96 persons. 3.94% of the population is without Health Insurance. The 62.20% Employment Rate is 2.40% above the national average of 59.8%.91,587 people aged 25+ have some educational achievement, with 24.70% (or 22,622 people) having attained a Bachelor's Degree or higher.More Demographics are available below.

There are 2 area codes serving this area including860 and 959. Northeastern Ct is also located in the Eastern timezone and the current local time is shown above.

Northeastern Ct is part of the Putnam, CT Core Based Statistical Area (CBSA). Its CBSA Code is 39480.It is classified as a micro area, which means it has an urban core of at least 10,000 but less then 50,000 people.

CBSAs are defined by the OMB as geographic areas that have at least one core with a population of 10,000 or more and adjacent territory with a high degree of social and economic integration. CBSA codes are commonly used to accurately file Medicare claims and to verify applicable incentives using a patient's ZIP Code.

ZIP Codes in Northeastern Ct, CT have 44,456 Residential mailboxes and 1,680 Business mailboxes.There are 1,958 businesses with a total of 26,745 employees. That is an average of 13.7 employees per business. Annual payroll for these businesses is $1,260,108,000. Other Demographics

Northeastern Ct Planning Region Demographic Profile

Population & People

Total Population

113,950

Income

Median Household Income

$74,014

Housing

Total Housing Units

49,327

Health

Without Healthcare Coverage

3.94%

Business & Economy

Total Businesses

1,958

Families

Total Households

45,674

Employment

Employment Rate

62.20%

Education

Bachelor's Degree or Higher

24.70%

Connecticut moved from Counties to Planning Regions in 2024, after the 2020 Census data was released. Some 2020 values are not available at the Planning Region level, so a sum or average of ZIP Codes in this region are used instead.

Total Population: Total number of people from the 2020 U.S. Census for Northeastern Ct, CT. This reflects the exact count of this area at that point in time, not future estimates, regardless of citizenship or immigration status. It is intended to count all persons living within the geographic area, not just those present on the day of the census.	113,950
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in Northeastern Ct, CT. This is derived from known delivery information, household occupancy rates, household size, and more to come up with an accurate estimation for the current population. IMPORTANT: This does not include population totals for persons in nursing homes, correctional facilities, or other institutions. This is an estimation of the household population based on US Postal Service delivery information.	109,128
Total Households: Total number of Households from the 2020 U.S. Census for Northeastern Ct, CT. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	45,674
Total Housing Units: The total number of Housing Units is the number of occupied units + the number of vacant units. Ownership is defined by whether the unit is occupied by an owner or by a tenant. Owner occupancy means that the owner lives in the unit. This value comes from the 2020 U.S. Census and is not a projection or estimate.	49,327
Average Household Size: The Average Household Size, is obtained by dividing the number of people in Households (excluding those in group quarters, nursing home, prisons, and dorm rooms) by the number of Households. A Household includes everyone living in a residential unit. Those who do not live in a household are classified as living in group accommodation. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	2.45
Average Family Size: Average Family Size is calculated by dividing the number of people in a Family Household by the number of Family Households. The U.S. Census Bureau defines family households as households consisting of two or more individuals who are related by birth, marriage, or adoption. They also may include other unrelated people. Non-family households consist of people who live alone or who share their residence with unrelated individuals. The Average Family Size only looks at the households classified as Family Households. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	2.96

Other Northeastern Ct Demographics

# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	44,456
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	1,680
Total Delivery Receptacles: The total number of delivery receptacles. This includes curb side mailboxes, centralized units, PO Boxes, NDCBU, and contract boxes. This count is for Residential and Business combined.	59,182
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes.	40,069
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments.	1,603

# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023.	1,958
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023.	$296,939,000
Annual Payroll: The total annual payroll . Data taken from Business Census 2023.	$1,260,108,000
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023.	26,745

Sum of all ZIP Codes assigned Northeastern Ct, CT as their primary Planning Region.

References

U.S. Postal Service [Last Updated: 2/1/2025], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 2/1/2025], https://www.zip-codes.com
U.S. Geological Survey [Updated as needed], https://www.usgs.gov
U.S. Census [Updated Yearly], https://www.census.gov
U.S. Census 2020 [Decennial] [Last Updated: 5/25/2023], https://www.census.gov