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/CROMWELL

Cromwell ZIP code, Connecticut

The ZIP code for Cromwell, CT is 06416, and its area codes are 860 and 959.

USPS city name
1 ZIP code
Population
14,334
Area codes
860, 959

NANPA lists no telephone rate centre for Cromwell itself, so these are the area codes of the nearest one, Middletown (4.6 miles). A town on an area-code boundary can differ from its neighbour.

Cromwell in numbers

About 14,334 people live in Cromwell, in 5,763 households. The median household income is $110,596 a year, 15% above the Connecticut median of $95,781 (US: $80,734). The median owner-occupied home is valued at $325,200 (11% below the Connecticut median).

Population14,334Cromwell14,334
Households5,763Cromwell5,763
Median household income$110,596Cromwell$110,596Connecticut$95,781US $80,734
Median home value$325,200Cromwell$325,200Connecticut$366,900US $332,700

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

ZIP codes addressed as Cromwell

ZIP codes with the USPS city name Cromwell
ZIP City Type Population Median income Median home
06416 Cromwell , CT Standard 14,334 $110,596 $325,200

Map of Cromwell ZIP codes

06416

The ZIP codes of Cromwell, 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 Cromwell

The nearest larger towns are Middletown (47,958 people, 4.7 mi), Wethersfield (27,250 people, 5.9 mi) and Newington (30,896 people, 6.0 mi).

Towns near Cromwell
TownPopulationDistance
Portland 5,944 3.5 mi
Middletown 47,958 4.7 mi
Kensington 9,962 5.6 mi
Wethersfield 27,250 5.9 mi
Newington 30,896 6.0 mi
Glastonbury Center 7,266 6.6 mi
New Britain 74,223 7.7 mi
Lake Pocotopaug 4,875 8.3 mi
Meriden 60,545 8.8 mi
East Hampton 3,347 9.6 mi
Durham 3,347 10.3 mi
East Hartford 50,918 10.3 mi
Hartford 121,127 10.4 mi
West Hartford 63,620 11.4 mi

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

Cite this page

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

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