ZIP Code 06331

06331 is one of Connecticut's ZIP codes, delivering to addresses in Canterbury, Northeastern Connecticut Planning Region.

City: Canterbury
Planning region: Northeastern Connecticut Planning Region
State: Connecticut
Prefix: 063xx

Where this code sits

06331 is part of the 063xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Canterbury.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 06331 delivers to without sharing its boundary.

ZIP codes nearest 06331

The ZIP codes whose reference points sit closest to 06331.
ZIP code	Distance	Delivers to
ZIP code 06374	4.1 mi	Plainfield, CT
ZIP code 06350	4.4 mi	Hanover, CT
ZIP code 06264	4.5 mi	Scotland, CT
ZIP code 06332	5.5 mi	Central Village, CT
ZIP code 06351	5.6 mi	Jewett City, CT
ZIP code 06330	5.6 mi	Baltic, CT
ZIP code 06383	6.1 mi	Versailles, CT
ZIP code 06387	6.1 mi	Wauregan, 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 06331, plotted from its record coordinates.

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

Scope ZIP code 06331. 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.