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Norwich-New London-Willimantic, CT metro area ZIP codes

The Norwich-New London-Willimantic, CT metropolitan statistical area (CBSA 35980) covers 2 counties in Connecticut and 38 ZIP codes.

ZIP codes
38
Population
269,636
Avg. median income
$95,100population-weighted
Counties
2
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Click anywhere on the map to see which ZIP code it's in.

Counties in the Norwich-New London-Willimantic, CT area

ZIP codes in the Norwich-New London-Willimantic, CT area

ZIP codes in the Norwich-New London-Willimantic, CT area
ZIP codeCityCountyPopulationMedian incomeTypical home value
06249LebanonNew London County7,116$109,135$425,700
06254North FranklinNew London County2,004$105,000$419,200
06320New LondonNew London County27,703$59,170$327,600
06330BalticNew London County3,327$98,698$373,400
06333East LymeNew London County7,389$129,083$554,500
06334BozrahNew London County2,249$107,969$405,200
06335Gales FerryNew London County6,307$118,116$419,100
06336GilmanNew London County44$133,750—
06338MashantucketNew London County27$137,500$433,300
06339LedyardNew London County9,113$106,403$414,000
06340GrotonNew London County29,863$81,792$386,400
06349 PO BoxGrotonSoutheastern Connecticut Planning Region———
06350HanoverNew London County121$40,950—
06351Jewett CityNew London County15,760$82,976$371,700
06353MontvilleNew London County439——
06355MysticNew London County12,173$137,425$607,500
06357NianticNew London County11,332$93,026$524,700
06359North StoningtonNew London County5,160$123,938$471,500
06360NorwichNew London County37,216$65,539$305,900
06365PrestonNew London County4,807$117,045$424,400
06370OakdaleNew London County7,327$105,700$400,900
06371Old LymeNew London County9,828$132,045$695,900
06372 PO BoxOld MysticSoutheastern Connecticut Planning Region———
06375Quaker HillNew London County3,670$111,833$401,800
06376South LymeNew London County89$156,000$444,400
06378StoningtonNew London County5,555$135,714$797,600
06379PawcatuckNew London County9,017$95,066$490,100
06380TaftvilleNew London County2,757$63,452$297,000
06382UncasvilleNew London County10,143$89,635$347,200
06383 PO BoxVersaillesSoutheastern Connecticut Planning Region———
06384VoluntownNew London County2,663$106,518$448,700
06385WaterfordNew London County15,966$100,484$439,900
06388 PO BoxWest MysticSoutheastern Connecticut Planning Region———
06389YanticNew London County0——
06415ColchesterNew London County16,038$123,256$444,900
06420SalemNew London County4,368$123,425$476,800
06439HadlymeNew London County65$187,083$662,500
06474 PO BoxNorth WestchesterSoutheastern Connecticut Planning Region———

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Frequently asked questions

How many ZIP codes are in the Norwich-New London-Willimantic, CT metro area?

38 ZIP codes, based on each ZIP code's main county.

Which counties make up the Norwich-New London-Willimantic, CT area?

Southeastern Connecticut Planning Region and New London County.

What is an MSA?

A metropolitan statistical area (MSA) is a core city of 50,000+ people plus the surrounding counties tied to it by commuting, as defined by the U.S. Office of Management and Budget. Micropolitan areas have a core of 10,000–50,000. Together they are called core-based statistical areas (CBSAs).