Old Greenwich, CT ZIP Codes, Coordinates & Counties
Old Greenwich, Connecticut has 1 ZIP code in Fairfield county. The approximate center of Old Greenwich is 41.029, -73.57. Old Greenwich has about 10,587 known street addresses.
ZIP codes in Old Greenwich, CT
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 06870 | Fairfield | 41.029 | -73.57 |
Counties Old Greenwich spans
Fairfield
Most common streets in Old Greenwich
Putnam, Arcadia, Forest, Shore, End, Center, Lockwood, Park, Arbor, Oak
Frequently asked questions
What ZIP codes are in Old Greenwich, CT?
Old Greenwich, Connecticut has 1 ZIP code, ranging from 06870 to 06870. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Old Greenwich, CT in?
Old Greenwich is in Fairfield county.
What are the latitude and longitude of Old Greenwich, CT?
The approximate center of Old Greenwich, Connecticut is latitude 41.029, longitude -73.57. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Old Greenwich, CT have?
Old Greenwich has 1 ZIP code.
How many addresses are in Old Greenwich, CT?
Old Greenwich, Connecticut has about 10,587 known street addresses in the sthan.io US address database.
What are the most common streets in Old Greenwich, CT?
Some of the most common street names in Old Greenwich are Putnam, Arcadia, Forest, Shore, End, Center.
What cities are near Old Greenwich, CT?
Cities near Old Greenwich include Riverside (1 mi), Cos Cob (2 mi), Stamford (4 mi), Greenwich (5 mi), Darien (6 mi).
Cities near Old Greenwich
Riverside, CT (1 mi) Cos Cob, CT (2 mi) Stamford, CT (4 mi) Greenwich, CT (5 mi) Darien, CT (6 mi) Port Chester, NY (6 mi) Rye, NY (7 mi) Bayville, NY (8 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database