In which county is ZIP code 07939 located?

ZIP 07939 is listed under Somerset County, NJ.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 07939: Lyons, NJ

ZIP: 07939

County: Somerset County

Coordinates: 40.66740, -74.55390

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Lyons, NJ postal area 07939. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Lyons
ZIP Code	07939
County	Somerset County
State	NJ
Latitude / Longitude	40.66740, -74.55390
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 07939 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 07939 is commonly represented around 40.66740, -74.55390. These coordinates help identify the general area within Somerset County, NJ.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 07939 for mail delivery and general location reference in Somerset County, NJ.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Lyons within NJ.

Frequently Asked Questions

What is the primary city for ZIP code 07939?

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

In which county is 07939 located?

ZIP code 07939 is situated within Somerset County, NJ.

What are the coordinates for 07939?

The approximate center point is 40.66740 (Latitude) and -74.55390 (Longitude).

Is ZIP code 07939 active?

This page lists ZIP 07939 as Listed based on the latest refresh date shown above.

Does ZIP 07939 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