ZIP Code 06021

06021 is one of Connecticut's ZIP codes, delivering to addresses in Colebrook, Northwest Hills Planning Region.

City: Colebrook
Planning region: Northwest Hills Planning Region
State: Connecticut
Prefix: 060xx

Where this code sits

06021 is part of the 060xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Colebrook.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 06021 delivers to without sharing its boundary.

ZIP codes nearest 06021

The ZIP codes whose reference points sit closest to 06021.
ZIP code	Distance	Delivers to
ZIP code 06065	4.4 mi	Riverton, CT
ZIP code 06098	4.7 mi	Winsted, CT
ZIP code 06058	5.3 mi	Norfolk, CT
ZIP code 06091	6.5 mi	West Hartland, CT
ZIP code 06094	6.9 mi	Winchester Center, CT
ZIP code 01255	8.4 mi	Sandisfield, MA
ZIP code 06027	8.8 mi	East Hartland, CT
ZIP code 06024	10 mi	East Canaan, 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 06021, plotted from its record coordinates.

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

Scope ZIP code 06021. 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.