ZIP code 06331: Canterbury, CT
ZIP code 06331 is in Northeastern Connecticut Planning Region (100%) and Southeastern Connecticut Planning Region (0.3%), Connecticut, outside any city or Census-designated place. It is in Connecticut's 2nd congressional district. Its state senate districts are State Senate District 29 (100%) and State Senate District 18 (0.3%); its state house districts are State House District 47 (100%) and State House District 45 (0.3%).
See it on the mapAll of Connecticut
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Northeastern Connecticut Planning Region | 100% |
| Southeastern Connecticut Planning Region | 0.3% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Canterbury town | 99% |
| Scotland town | 0.5% |
| Griswold town | 0.3% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Connecticut's 2nd congressional district (CT-02) | 100% |
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 29 | 100% |
| State Senate District 18 | 0.3% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 47 | 100% |
| State House District 45 | 0.3% |
Voting precincts
3 voting precincts overlap ZIP 06331. Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:06331")
ZIP 06331 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.