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/ROCK-RIDGE

Rock Ridge ZIP codes, Connecticut

No ZIP code is named for Rock Ridge, CT; addresses there use a neighbouring town's name. The ZIP code covering it is 06831. Its area codes are 203 and 475.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
482
Area codes
203, 475

NANPA lists no telephone rate centre for Rock Ridge itself, so these are the area codes of the nearest one, Greenwich (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Rock Ridge in numbers

About 482 people live in Rock Ridge, in 183 households. The median household income is $226,838 a year, 2.4 times the Connecticut median of $95,781 (US: $80,734). The median owner-occupied home is valued at $2,000,000+, and median gross rent is $3,500+ a month. The median age is 56.5; 69.2% of adults 25 and over hold a bachelor's degree or higher (42.5% across Connecticut); the average commute takes 18 minutes.

Population482Rock Ridge482
Households183Rock Ridge183
Median age56.5Rock Ridge56.5Connecticut41.1US 38.9
Median household income$226,838Rock Ridge$226,838Connecticut$95,781US $80,734
Median home value$2,000,000+Rock Ridge$2,000,000+Connecticut$366,900US $332,700
Median gross rent$3,500+Rock Ridge$3,500+Connecticut$1,488US $1,413
Bachelor's degree or higher69.2%Rock Ridge69.2%Connecticut42.5%US 35.7%
Mean commute18.1 minRock Ridge18.1 minConnecticut26.5 minUS 26.4 min
Population density530 / sq miRock Ridge530 / sq mi

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

ZIP codes covering Rock Ridge

These ZIP codes cover part of Rock Ridge but are addressed as somewhere else.

ZIP codes overlapping Rock Ridge
ZIP City Type Population Median income Median home
06831 Greenwich , CT Standard 15,210 $227,159 $1,696,000

Map of Rock Ridge ZIP codes

06831

The ZIP codes of Rock Ridge, 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 Rock Ridge

The nearest larger towns are Glenville (2,656 people, 0.8 mi), Pemberwick (3,665 people, 1.2 mi) and Greenwich (14,792 people, 1.2 mi).

Towns near Rock Ridge
TownPopulationDistance
Glenville 2,656 0.8 mi
Pemberwick 3,665 1.2 mi
Greenwich 14,792 1.2 mi
Rye Brook, NY 9,900 2.0 mi
Port Chester, NY 31,102 2.3 mi
Byram 4,633 2.3 mi
Cos Cob 7,546 3.1 mi
Riverside 8,954 3.4 mi
Harrison, NY 29,961 3.8 mi
Old Greenwich 6,936 4.3 mi
White Plains, NY 60,666 5.4 mi
Stamford 137,144 6.2 mi
Rye, NY 16,428 6.5 mi
Scarsdale, NY 18,010 7.3 mi

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

Cite this page

zipcodes.pro. “Rock Ridge, CT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ct/rock-ridge

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