ZIP Code 06807

06807 is one of Connecticut's ZIP codes, delivering to addresses in Cos Cob, Western Connecticut Planning Region.

City: Cos Cob
Planning region: Western Connecticut Planning Region
State: Connecticut
Prefix: 068xx

Where this code sits

06807 is part of the 068xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Cos Cob.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 06807 delivers to without sharing its boundary.

ZIP codes nearest 06807

The ZIP codes whose reference points sit closest to 06807.
ZIP code	Distance	Delivers to
ZIP code 06878	1.2 mi	Riverside, CT
ZIP code 06870	1.8 mi	Old Greenwich, CT
ZIP code 06830	1.8 mi	Greenwich, CT
ZIP code 06910	2.0 mi	Stamford, CT
ZIP code 06836	2.6 mi	Greenwich, CT
ZIP code 06902	2.6 mi	Stamford, CT
ZIP code 06901	2.8 mi	Stamford, CT
ZIP code 06904	2.9 mi	Stamford, CT

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 06807, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 06807. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.