About 6870 - Old Greenwich, Connecticut

6870 is a small ZIP code covering Old Greenwich in Connecticut, the United States. This area falls under Western Connecticut County.

Census data puts the population of this ZIP code at 7,864 residents. It's a quieter, less populous area than the typical Connecticut ZIP code (avg. ~12,717).

Population density runs around 1,339 people per sq. mile, making it a suburban area.

Other ZIP code codes in Connecticut serve areas such as Stamford, Bristol, Danbury.