In which county is ZIP code 07042 located?

ZIP 07042 is listed under Essex, NJ.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 07042: Montclair, NJ

ZIP: 07042

County: Essex

Coordinates: 40.81310, -74.21650

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 07042 in Montclair, NJ. We include verified county details for Essex plus key geographic references used for mapping and logistics.

Primary City	Montclair
ZIP Code	07042
County	Essex
State	NJ
Latitude / Longitude	40.81310, -74.21650
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 07042 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 07042 is approximately 40.81310 (latitude) and -74.21650 (longitude). This location sits within Essex, contributing to regional planning across NJ.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 07042 for mail delivery and general location reference in Essex, NJ.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Montclair within NJ.

Frequently Asked Questions

What is the primary city for ZIP code 07042?

The primary city for this ZIP code is Montclair, located in NJ.

In which county is 07042 located?

ZIP code 07042 is situated within Essex, NJ.

What are the coordinates for 07042?

The approximate center point is 40.81310 (Latitude) and -74.21650 (Longitude).

Is ZIP code 07042 active?

This page lists ZIP 07042 as Listed based on the latest refresh date shown above.

Does ZIP 07042 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