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/MIDDLE-HADDAM

Middle Haddam ZIP code, Connecticut

The ZIP code for Middle Haddam, CT is 06456, and its area codes are 860 and 959.

USPS city name
1 ZIP code
Population
281
Area codes
860, 959

NANPA lists no telephone rate centre for Middle Haddam itself, so these are the area codes of the nearest one, East Hampton (2.7 miles). A town on an area-code boundary can differ from its neighbour.

Middle Haddam in numbers

About 281 people live in Middle Haddam, in 166 households. The median household income is $128,542 a year, 34% above the Connecticut median of $95,781 (US: $80,734). The median owner-occupied home is valued at $434,000 (18% above the Connecticut median).

Population281Middle Haddam281
Households166Middle Haddam166
Median household income$128,542Middle Haddam$128,542Connecticut$95,781US $80,734
Median home value$434,000Middle Haddam$434,000Connecticut$366,900US $332,700

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

ZIP codes addressed as Middle Haddam

ZIP codes with the USPS city name Middle Haddam
ZIP City Type Population Median income Median home
06456 Middle Haddam , CT Standard 281 $128,542 $434,000

Map of Middle Haddam ZIP codes

06456

The ZIP codes of Middle Haddam, 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 Middle Haddam

The nearest larger towns are Higganum (1,742 people, 3.4 mi), East Hampton (3,347 people, 4.0 mi) and Portland (5,944 people, 4.5 mi).

Towns near Middle Haddam
TownPopulationDistance
East Hampton 3,347 4.0 mi
Portland 5,944 4.5 mi
Lake Pocotopaug 4,875 4.9 mi
Middletown 47,958 5.6 mi
Durham 3,347 8.6 mi
Glastonbury Center 7,266 11.4 mi
Colchester 4,692 11.4 mi
Meriden 60,545 12.7 mi
Kensington 9,962 12.8 mi
Wethersfield 27,250 12.9 mi
Newington 30,896 13.9 mi
Essex Village 2,705 15.0 mi
Wallingford Center 18,208 15.3 mi
New Britain 74,223 15.5 mi

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

Cite this page

zipcodes.pro. “Middle Haddam, CT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ct/middle-haddam

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