ZIP Code 95658: Newcastle, CA
County: Placer
Coordinates: 38.87630, -121.14300
ZIP Type: Standard
Time Zone: Pacific Time (PT)
Explore detailed information for ZIP code 95658 in Newcastle, CA. We include verified county details for Placer plus key geographic references used for mapping and logistics.
| Primary City | Newcastle |
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| ZIP Code | 95658 |
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| County | Placer |
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| State | CA |
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| Latitude / Longitude | 38.87630, -121.14300 |
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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 95658 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 95658 are listed as 38.87630 / -121.14300, useful for GPS and service checks in and around Newcastle, CA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 95658 for mail delivery and general location reference in
Placer,
CA.
Some addresses near Newcastle may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near Newcastle within CA.
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Frequently Asked Questions
What is the primary city for ZIP code 95658?
The primary city for this ZIP code is Newcastle, located in CA.
In which county is 95658 located?
ZIP code 95658 is situated within Placer, CA.
What are the coordinates for 95658?
The approximate center point is 38.87630 (Latitude) and -121.14300 (Longitude).
Is ZIP code 95658 active?
This page lists ZIP 95658 as Listed based on the latest refresh date shown above.
Does ZIP 95658 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