ZIP Code 07091: Westfield, NJ
County: Union County
Coordinates: 40.66570, -74.29970
ZIP Type: Standard
Time Zone: Eastern Time (ET)
Get a reliable snapshot of the Westfield, NJ postal area 07091. This page summarizes county, coordinates, and local facts to help with services and location research.
| Primary City | Westfield |
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| ZIP Code | 07091 |
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| County | Union County |
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| State | NJ |
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| Latitude / Longitude | 40.66570, -74.29970 |
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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 07091 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 07091 is approximately 40.66570 (latitude) and -74.29970 (longitude). This location sits within Union County, contributing to regional planning across NJ.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 07091 for mail delivery and general location reference in
Union County,
NJ.
Some addresses near Westfield may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near Westfield within NJ.
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Frequently Asked Questions
What is the primary city for ZIP code 07091?
The primary city for this ZIP code is Westfield, located in NJ.
In which county is 07091 located?
ZIP code 07091 is situated within Union County, NJ.
What are the coordinates for 07091?
The approximate center point is 40.66570 (Latitude) and -74.29970 (Longitude).
Is ZIP code 07091 active?
This page lists ZIP 07091 as Listed based on the latest refresh date shown above.
Does ZIP 07091 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