Old Greenwich, Connecticut
Old Greenwich: Census designated place
About
Old Greenwich is a CDP located in the county of Fairfield in the U.S. state of Connecticut.

Quick Facts about Old Greenwich
Population : | 6,611 |
Country : | United States of America |
State : | Connecticut (United States) |
County : | Fairfield County |
Phone Area Codes : | 203 |
Area : | 9.01 km2 |
Water as percent of area : | 42.92% |
Land as percent of area : | 57.08% |
Altitude : | 26 feet / 8 meters |
Time Zone : | America/New_York |
Local time : | 3/28/2025 - 12:53:28 PM |
Postal code : | 06870 |
Old Greenwich zip code is 06870.
County name: Fairfield, County
fips: 09001
Greenwich Old Town, Monakeway, Old Greenwich, SoundBeach
People born in Old Greenwich (3)
People born in Old Greenwich, including photographer Andrew Moore, baseball player Mike Sandlock, soccer player and football player Tim Mazzetti, .
List
Schools in Old Greenwich
College & universities near Old Greenwich, CT
Code | Name | City | ZIP |
---|---|---|---|
436836 | University of Connecticut-Stamford | Stamford (CT) | 06901-2315 |
Stations (19)
Amtrak & bus stations near Old Greenwich, CT
Code | Name | Address | Type |
---|---|---|---|
STM | Stamford Transportation Center | Washington Blvd and South State St. | RAIL |
NRO | New Rochelle station | 1 Railroad Plaza | RAIL |
YNY | Yonkers station | 5 Buena Vista Ave. | RAIL |
CRT | Croton–Harmon station | 1 Croton Point Avenue | RAIL |
BRP | Bridgeport | 525 Water St. | RAIL |
Post offices near Old Greenwich
Post Office Name | City | ZIP |
---|---|---|
Old Greenwich Post Office | Old Greenwich (CT) | 06870 |
Other cities in Fairfield County
Cities, towns, neighborhoods & other populated places in Fairfield County , CT. (more)
City Name | Population | Title |
---|---|---|
Bridgeport | 143,525 | The second most populous city in Connecticut. |
Stamford | 131,397 | The second most populous city in Connecticut. |
North Stamford | 128,278 | A census-designated place in Stamford, Connecticut. |
Norwalk | 88,655 | The most populous city in Fairfield County, Connecticut. |
East Norwalk | 84,530 | A census-designated place in Norwalk, Connecticut. |
Danbury | 84,317 | The most populous city in Fairfield County, Connecticut. |
Greenwich | 62,769 | Town in Fairfield County, Connecticut, United States |
Fairfield | 62,215 | Town in Connecticut, United States of America |
Stratford | 51,660 | Town in Connecticut |
Shelton | 40,957 | A town in Fairfield County, Connecticut. |
Trumbull | 35,438 | Town in Fairfield County, Connecticut, United States |
Westport | 28,444 | Town in Connecticut |
Ridgefield | 24,898 | Town in Connecticut |
Darien | 21,693 | Town in Connecticut |
New Canaan | 20,115 | Town in Fairfield County, Connecticut, United States |
Bethel | 19,941 | City in Alaska, USA |
Distance to Other Cities
Old Greenwich distances to largest Connecticut cities