ZIP code · Old Greenwich · Connecticut · United States

ZIP code 06870 — Old Greenwich

Name: Old Greenwich (06870)
Address: Connecticut, 06870, US

ZIP code 06870 serves Old Greenwich, Connecticut.

Postal code: 06870
Single source Value from one source, not cross-checked.
City: Old Greenwich
County: Western Connecticut
State: Connecticut
Country: United States
Coordinates: 41.0354, -73.5673 — precision precise (locality)
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Nearby localities

06910Stamford · 0.8 km
06878Riverside · 1.2 km
06926Stamford · 2.5 km
06921Stamford · 2.9 km
06807Cos Cob · 2.9 km
06901Stamford · 3.1 km
06904Stamford · 3.1 km
06911Stamford · 3.1 km
06912Stamford · 3.1 km
06913Stamford · 3.1 km

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames. Data generated on 2026-08-21. Methodology · Report an error on this page