In which county is ZIP code 06858 located?

ZIP 06858 is listed under Fairfield County, CT.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 06858: Norwalk, CT

ZIP: 06858

County: Fairfield County

Coordinates: 41.11050, -73.41620

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 06858, serving Norwalk in CT. It lies in Fairfield County and supports delivery, planning, and address verification.

Primary City	Norwalk
ZIP Code	06858
County	Fairfield County
State	CT
Latitude / Longitude	41.11050, -73.41620
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 06858 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 06858 are listed as 41.11050 / -73.41620, useful for GPS and service checks in and around Norwalk, CT.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 06858 for mail delivery and general location reference in Fairfield County, CT.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Norwalk.

Related ZIP Codes (Nearby)

Explore other postal codes near Norwalk within CT.

Frequently Asked Questions

What is the primary city for ZIP code 06858?

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

In which county is 06858 located?

ZIP code 06858 is situated within Fairfield County, CT.

What are the coordinates for 06858?

The approximate center point is 41.11050 (Latitude) and -73.41620 (Longitude).

Is ZIP code 06858 active?

This page lists ZIP 06858 as Listed based on the latest refresh date shown above.

Does ZIP 06858 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