In which county is ZIP code 08830 located?

ZIP 08830 is listed under Middlesex, NJ.

When was this page updated?

This page was updated on 2026-01-30.

ZIP Code 08830: Iselin, NJ

ZIP: 08830

County: Middlesex

Coordinates: 40.57160, -74.31670

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Iselin, NJ postal area 08830. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Iselin
ZIP Code	08830
County	Middlesex
State	NJ
Latitude / Longitude	40.57160, -74.31670
ZIP Type	Standard
Time Zone	Eastern Time (ET)
Data Updated	2026-01-30

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 08830 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 08830 is commonly represented around 40.57160, -74.31670. These coordinates help identify the general area within Middlesex, NJ.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 08830 for mail delivery and general location reference in Middlesex, NJ.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Iselin within NJ.

Frequently Asked Questions

What is the primary city for ZIP code 08830?

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

In which county is 08830 located?

ZIP code 08830 is situated within Middlesex, NJ.

What are the coordinates for 08830?

The approximate center point is 40.57160 (Latitude) and -74.31670 (Longitude).

Is ZIP code 08830 active?

This page lists ZIP 08830 as Listed based on the latest refresh date shown above.

Does ZIP 08830 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: 2026-01-30