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/GREENWICH

Greenwich ZIP codes, Connecticut

Greenwich, CT has 3 ZIP codes (06830, 06831 and 06836) and area codes 203 and 475. The largest is 06830.

USPS city name
3 ZIP codes
Population
14,792
Area codes
203, 475

Greenwich in numbers

About 14,792 people live in Greenwich, in 5,884 households, the 30th-largest of Connecticut's 213 census places. The median household income is $134,914 a year, 41% above the Connecticut median of $95,781 (US: $80,734). The median owner-occupied home is valued at $1,515,700 (4.1 times the Connecticut median), and median gross rent is $2,082 a month. The median age is 43.9; 70.3% of adults 25 and over hold a bachelor's degree or higher (42.5% across Connecticut); the average commute takes 28 minutes.

Population14,792Greenwich14,792
Households5,884Greenwich5,884
Median age43.9Greenwich43.9Connecticut41.1US 38.9
Median household income$134,914Greenwich$134,914Connecticut$95,781US $80,734
Median home value$1,515,700Greenwich$1,515,700Connecticut$366,900US $332,700
Median gross rent$2,082Greenwich$2,082Connecticut$1,488US $1,413
Bachelor's degree or higher70.3%Greenwich70.3%Connecticut42.5%US 35.7%
Mean commute27.9 minGreenwich27.9 minConnecticut26.5 minUS 26.4 min
Population density3,055 / sq miGreenwich3,055 / sq mi

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

ZIP codes addressed as Greenwich

ZIP codes with the USPS city name Greenwich
ZIP City Type Population Median income Median home
06830 Greenwich , CT Standard 24,880 $146,654 $1,660,700
06831 Greenwich , CT Standard 15,210 $227,159 $1,696,000
06836 Greenwich , CT No street area — — —

Map of Greenwich ZIP codes

068300683106836

The ZIP codes of Greenwich, 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 Greenwich

The nearest larger towns are Port Chester, NY (31,102 people, 2.6 mi), Harrison, NY (29,961 people, 4.8 mi) and Stamford (137,144 people, 5.5 mi).

Towns near Greenwich
TownPopulationDistance
Pemberwick 3,665 1.7 mi
Glenville 2,656 2.0 mi
Riverside 8,954 2.3 mi
Cos Cob 7,546 2.3 mi
Byram 4,633 2.3 mi
Port Chester, NY 31,102 2.6 mi
Rye Brook, NY 9,900 3.1 mi
Old Greenwich 6,936 3.1 mi
Harrison, NY 29,961 4.8 mi
Stamford 137,144 5.5 mi
White Plains, NY 60,666 6.5 mi
Rye, NY 16,428 6.5 mi
Noroton 5,539 7.4 mi
Noroton Heights 2,782 7.5 mi

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

Cite this page

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

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