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/CHESTER

Chester ZIP code, Connecticut

The ZIP code for Chester, CT is 06412, and its area codes are 860 and 959.

USPS city name
1 ZIP code
Population
3,825
Area codes
860, 959

NANPA lists no telephone rate centre for Chester itself, so these are the area codes of the nearest one, Haddam (2.9 miles). A town on an area-code boundary can differ from its neighbour.

Chester in numbers

About 3,825 people live in Chester, in 1,628 households. The median household income is $109,191 a year, 14% above the Connecticut median of $95,781 (US: $80,734). The median owner-occupied home is valued at $442,200 (21% above the Connecticut median).

Population3,825Chester3,825
Households1,628Chester1,628
Median household income$109,191Chester$109,191Connecticut$95,781US $80,734
Median home value$442,200Chester$442,200Connecticut$366,900US $332,700

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

ZIP codes addressed as Chester

ZIP codes with the USPS city name Chester
ZIP City Type Population Median income Median home
06412 Chester , CT Standard 3,825 $109,191 $442,200

Map of Chester ZIP codes

06412

The ZIP codes of Chester, 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 Chester

The nearest larger towns are Middletown (47,958 people, 13 mi), Lake Pocotopaug (4,875 people, 13 mi) and Portland (5,944 people, 13 mi).

Towns near Chester
TownPopulationDistance
Essex Village 2,705 6.2 mi
Westbrook Center 2,501 9.3 mi
Clinton 3,465 9.6 mi
Durham 3,347 11.0 mi
East Hampton 3,347 11.2 mi
Middletown 47,958 12.9 mi
Lake Pocotopaug 4,875 13.2 mi
Portland 5,944 13.4 mi
Colchester 4,692 14.0 mi
Northford 6,186 15.4 mi
Niantic 3,123 16.3 mi
Wallingford Center 18,208 17.4 mi
Meriden 60,545 18.1 mi
Oxoboxo River 2,782 18.8 mi

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

Cite this page

zipcodes.pro. “Chester, CT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ct/chester

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