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/NEW-LONDON

New London ZIP code, Connecticut

The ZIP code for New London, CT is 06320, and its area codes are 860 and 959.

USPS city name
1 ZIP code
Population
27,625
Area codes
860, 959

New London in numbers

About 27,625 people live in New London, in 11,794 households, the 23rd-largest of Connecticut's 213 census places. The median household income is $59,098 a year, 38% below the Connecticut median of $95,781 (US: $80,734). The median owner-occupied home is valued at $253,300 (31% below the Connecticut median), and median gross rent is $1,340 a month. The median age is 34.7; 28.5% of adults 25 and over hold a bachelor's degree or higher (42.5% across Connecticut); the average commute takes 19 minutes.

Population27,625New London27,625
Households11,794New London11,794
Median age34.7New London34.7Connecticut41.1US 38.9
Median household income$59,098New London$59,098Connecticut$95,781US $80,734
Median home value$253,300New London$253,300Connecticut$366,900US $332,700
Median gross rent$1,340New London$1,340Connecticut$1,488US $1,413
Bachelor's degree or higher28.5%New London28.5%Connecticut42.5%US 35.7%
Mean commute19.2 minNew London19.2 minConnecticut26.5 minUS 26.4 min
Population density4,927 / sq miNew London4,927 / sq mi

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

ZIP codes addressed as New London

ZIP codes with the USPS city name New London
ZIP City Type Population Median income Median home
06320 New London , CT Standard 27,703 $59,170 $253,300

Map of New London ZIP codes

06320

The ZIP codes of New London, 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 New London

The nearest larger towns are Norwich (39,973 people, 15 mi), Middletown (47,958 people, 33 mi) and Manchester (36,759 people, 38 mi).

Towns near New London
TownPopulationDistance
Groton 9,490 1.6 mi
Waterford 3,304 2.0 mi
Long Hill 4,399 2.6 mi
Conning Towers-Nautilus Park 8,460 4.2 mi
Niantic 3,123 5.5 mi
Old Mystic 3,340 6.7 mi
Mystic 4,483 7.4 mi
Oxoboxo River 2,782 7.9 mi
Pawcatuck 5,577 12.8 mi
Norwich 39,973 14.9 mi
Westerly, RI 18,411 15.3 mi
Essex Village 2,705 15.5 mi
Westbrook Center 2,501 18.3 mi
Jewett City 3,429 19.9 mi

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

Cite this page

zipcodes.pro. “New London, CT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ct/new-london

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