ZIP code · New Canaan · Connecticut · United States
ZIP code 06840 — New Canaan
ZIP code 06840 serves New Canaan, Connecticut.
- Postal code
- 06840Single source Value from one source, not cross-checked.
- City
- New Canaan
- County
- Western Connecticut
- State
- Connecticut
- Country
- United States
- Coordinates
- 41.1510, -73.4944 — precision precise (locality)
View on OpenStreetMap - Population
- 20,704 (ZCTA, ACS 5-year)
- Median household income
- $250,001
- Median age
- 42.5
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area codes
- 203, 475Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Nearby localities
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page