ZIP Code 08638: Trenton, NJ
County: Mercer
Coordinates: 40.25100, -74.76270
ZIP Type: Standard
Time Zone: Eastern Time (ET)
This profile provides an in-depth look at ZIP code 08638, serving Trenton in NJ. It lies in Mercer and supports delivery, planning, and address verification.
| Primary City | Trenton |
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| ZIP Code | 08638 |
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| County | Mercer |
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| State | NJ |
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| Latitude / Longitude | 40.25100, -74.76270 |
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| ZIP Type | Standard |
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| Time Zone | Eastern Time (ET) |
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| Data Updated | 2026-01-08 |
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Maps & Useful Links
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These links show the approximate center point for ZIP 08638 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 08638 are listed as 40.25100 / -74.76270, useful for GPS and service checks in and around Trenton, NJ.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 08638 for mail delivery and general location reference in
Mercer,
NJ.
This ZIP may extend beyond the city core into nearby communities within Mercer.
Related ZIP Codes (Nearby)
Explore other postal codes near Trenton within NJ.
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Frequently Asked Questions
What is the primary city for ZIP code 08638?
The primary city for this ZIP code is Trenton, located in NJ.
In which county is 08638 located?
ZIP code 08638 is situated within Mercer, NJ.
What are the coordinates for 08638?
The approximate center point is 40.25100 (Latitude) and -74.76270 (Longitude).
Is ZIP code 08638 active?
This page lists ZIP 08638 as Listed based on the latest refresh date shown above.
Does ZIP 08638 cover multiple areas?
Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.
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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