In which county is ZIP code 06438 located?

ZIP 06438 is listed under Middlesex, CT.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 06438: Haddam, CT

ZIP: 06438

County: Middlesex

Coordinates: 41.46270, -72.50500

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 06438 in Haddam, CT. We include verified county details for Middlesex plus key geographic references used for mapping and logistics.

Primary City	Haddam
ZIP Code	06438
County	Middlesex
State	CT
Latitude / Longitude	41.46270, -72.50500
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 06438 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 06438 is commonly represented around 41.46270, -72.50500. These coordinates help identify the general area within Middlesex, CT.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 06438 for mail delivery and general location reference in Middlesex, CT.

Some addresses near Haddam may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Haddam within CT.

Frequently Asked Questions

What is the primary city for ZIP code 06438?

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

In which county is 06438 located?

ZIP code 06438 is situated within Middlesex, CT.

What are the coordinates for 06438?

The approximate center point is 41.46270 (Latitude) and -72.50500 (Longitude).

Is ZIP code 06438 active?

This page lists ZIP 06438 as Listed based on the latest refresh date shown above.

Does ZIP 06438 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