In which county is ZIP code 08691 located?

ZIP 08691 is listed under Mercer, NJ.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 08691: Trenton, NJ

ZIP: 08691

County: Mercer

Coordinates: 40.21970, -74.59390

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Trenton, NJ postal area 08691. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Trenton
ZIP Code	08691
County	Mercer
State	NJ
Latitude / Longitude	40.21970, -74.59390
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 08691 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 08691 is approximately 40.21970 (latitude) and -74.59390 (longitude). This location sits within Mercer, contributing to regional planning across NJ.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 08691 for mail delivery and general location reference in Mercer, NJ.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Trenton within NJ.

Frequently Asked Questions

What is the primary city for ZIP code 08691?

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

In which county is 08691 located?

ZIP code 08691 is situated within Mercer, NJ.

What are the coordinates for 08691?

The approximate center point is 40.21970 (Latitude) and -74.59390 (Longitude).

Is ZIP code 08691 active?

This page lists ZIP 08691 as Listed based on the latest refresh date shown above.

Does ZIP 08691 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