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/COLCHESTER

Colchester ZIP code, Connecticut

The ZIP code for Colchester, CT is 06415, and its area codes are 860 and 959.

USPS city name
1 ZIP code
Population
4,692
Area codes
860, 959

Colchester in numbers

About 4,692 people live in Colchester, in 2,215 households. The median household income is $86,760 a year, 9% below the Connecticut median of $95,781 (US: $80,734). The median owner-occupied home is valued at $294,600 (20% below the Connecticut median), and median gross rent is $1,475 a month. The median age is 54.2; 33.0% of adults 25 and over hold a bachelor's degree or higher (42.5% across Connecticut); the average commute takes 32 minutes.

Population4,692Colchester4,692
Households2,215Colchester2,215
Median age54.2Colchester54.2Connecticut41.1US 38.9
Median household income$86,760Colchester$86,760Connecticut$95,781US $80,734
Median home value$294,600Colchester$294,600Connecticut$366,900US $332,700
Median gross rent$1,475Colchester$1,475Connecticut$1,488US $1,413
Bachelor's degree or higher33.0%Colchester33.0%Connecticut42.5%US 35.7%
Mean commute31.5 minColchester31.5 minConnecticut26.5 minUS 26.4 min
Population density1,050 / sq miColchester1,050 / sq mi

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

ZIP codes addressed as Colchester

ZIP codes with the USPS city name Colchester
ZIP City Type Population Median income Median home
06415 Colchester , CT Standard 16,038 $123,256 $366,300

Map of Colchester ZIP codes

The ZIP codes of Colchester, 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 Colchester

The nearest larger towns are Lake Pocotopaug (4,875 people, 8.9 mi), Willimantic (18,096 people, 11 mi) and Norwich (39,973 people, 13 mi).

Towns near Colchester
TownPopulationDistance
East Hampton 3,347 7.9 mi
Lake Pocotopaug 4,875 8.9 mi
Willimantic 18,096 11.5 mi
Norwich 39,973 12.7 mi
Coventry Lake 2,647 13.9 mi
Oxoboxo River 2,782 14.1 mi
Portland 5,944 14.8 mi
Essex Village 2,705 15.6 mi
Glastonbury Center 7,266 16.2 mi
Storrs 15,207 16.5 mi
Middletown 47,958 16.9 mi
Manchester 36,759 17.0 mi
Jewett City 3,429 18.4 mi
East Hartford 50,918 19.0 mi

More nearby: every ZIP code in New London County · Connecticut ZIP codes

Cite this page

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

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