ZIP Code 91321: Newhall, CA
County: Los Angeles County
Coordinates: 34.37950, -118.52300
ZIP Type: Standard
Time Zone: Pacific Time (PT)
This profile provides an in-depth look at ZIP code 91321, serving Newhall in CA. It lies in Los Angeles County and supports delivery, planning, and address verification.
| Primary City | Newhall |
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| ZIP Code | 91321 |
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| County | Los Angeles County |
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| State | CA |
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| Latitude / Longitude | 34.37950, -118.52300 |
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| ZIP Type | Standard |
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| Time Zone | Pacific Time (PT) |
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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 91321 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 91321 are listed as 34.37950 / -118.52300, useful for GPS and service checks in and around Newhall, CA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 91321 for mail delivery and general location reference in
Los Angeles County,
CA.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Newhall.
Related ZIP Codes (Nearby)
Explore other postal codes near Newhall within CA.
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Frequently Asked Questions
What is the primary city for ZIP code 91321?
The primary city for this ZIP code is Newhall, located in CA.
In which county is 91321 located?
ZIP code 91321 is situated within Los Angeles County, CA.
What are the coordinates for 91321?
The approximate center point is 34.37950 (Latitude) and -118.52300 (Longitude).
Is ZIP code 91321 active?
This page lists ZIP 91321 as Listed based on the latest refresh date shown above.
Does ZIP 91321 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