In which county is ZIP code 06840 located?

ZIP 06840 is listed under Fairfield County, CT.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 06840: New Canaan, CT

ZIP: 06840

County: Fairfield County

Coordinates: 41.15100, -73.49440

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 06840, serving New Canaan in CT. It lies in Fairfield County and supports delivery, planning, and address verification.

Primary City	New Canaan
ZIP Code	06840
County	Fairfield County
State	CT
Latitude / Longitude	41.15100, -73.49440
ZIP Type	Standard
Time Zone	Eastern Time (ET)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 06840 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 06840 is approximately 41.15100 (latitude) and -73.49440 (longitude). This location sits within Fairfield County, contributing to regional planning across CT.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 06840 for mail delivery and general location reference in Fairfield County, CT.

This ZIP may extend beyond the city core into nearby communities within Fairfield County.

Related ZIP Codes (Nearby)

Explore other postal codes near New Canaan within CT.

Frequently Asked Questions

What is the primary city for ZIP code 06840?

The primary city for this ZIP code is New Canaan, located in CT.

In which county is 06840 located?

ZIP code 06840 is situated within Fairfield County, CT.

What are the coordinates for 06840?

The approximate center point is 41.15100 (Latitude) and -73.49440 (Longitude).

Is ZIP code 06840 active?

This page lists ZIP 06840 as Listed based on the latest refresh date shown above.

Does ZIP 06840 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08