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/SALEM

Salem ZIP code, Connecticut

The ZIP code for Salem, CT is 06420, and its area codes are 860 and 959.

USPS city name
1 ZIP code
Population
4,368
Area codes
860, 959

NANPA lists no telephone rate centre for Salem itself, so these are the area codes of the nearest one, Colchester (6.3 miles). A town on an area-code boundary can differ from its neighbour.

Salem in numbers

About 4,368 people live in Salem, in 1,811 households. The median household income is $123,425 a year, 29% above the Connecticut median of $95,781 (US: $80,734). The median owner-occupied home is valued at $405,800 (11% above the Connecticut median).

Population4,368Salem4,368
Households1,811Salem1,811
Median household income$123,425Salem$123,425Connecticut$95,781US $80,734
Median home value$405,800Salem$405,800Connecticut$366,900US $332,700

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

ZIP codes addressed as Salem

ZIP codes with the USPS city name Salem
ZIP City Type Population Median income Median home
06420 Salem , CT Standard 4,368 $123,425 $405,800

Map of Salem ZIP codes

06420

The ZIP codes of Salem, 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 Salem

The nearest larger towns are Colchester (4,692 people, 7.2 mi), Norwich (39,973 people, 9.6 mi) and Conning Towers-Nautilus Park (8,460 people, 12 mi).

Towns near Salem
TownPopulationDistance
Colchester 4,692 7.2 mi
Oxoboxo River 2,782 7.5 mi
Norwich 39,973 9.6 mi
Essex Village 2,705 11.5 mi
Waterford 3,304 11.9 mi
Conning Towers-Nautilus Park 8,460 12.2 mi
Niantic 3,123 12.3 mi
East Hampton 3,347 13.1 mi
New London 27,625 13.7 mi
Long Hill 4,399 14.5 mi
Lake Pocotopaug 4,875 14.8 mi
Groton 9,490 15.1 mi
Old Mystic 3,340 15.9 mi
Willimantic 18,096 15.9 mi

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

Cite this page

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

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