ZIP Code 06415

06415 is one of Connecticut's ZIP codes, delivering to addresses in Colchester, Southeastern Connecticut Planning Region.

City: Colchester
Planning region: Southeastern Connecticut Planning Region
State: Connecticut
Prefix: 064xx

Where this code sits

06415 is part of the 064xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Colchester.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 06415 delivers to without sharing its boundary.

ZIP codes nearest 06415

The ZIP codes whose reference points sit closest to 06415.
ZIP code	Distance	Delivers to
ZIP code 06474	3.1 mi	North Westchester, CT
ZIP code 06231	4.5 mi	Amston, CT
ZIP code 06420	6.1 mi	Salem, CT
ZIP code 06469	6.5 mi	Moodus, CT
ZIP code 06249	6.9 mi	Lebanon, CT
ZIP code 06423	7.4 mi	East Haddam, CT
ZIP code 06336	7.7 mi	Gilman, CT
ZIP code 06447	8.0 mi	Marlborough, 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 06415, plotted from its record coordinates.

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

Scope ZIP code 06415. 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.