ZIP Code 94561: Oakley, CA
County: Contra Costa County
Coordinates: 37.99400, -121.70360
ZIP Type: Standard
Time Zone: Pacific Time (PT)
Get a reliable snapshot of the Oakley, CA postal area 94561. This page summarizes county, coordinates, and local facts to help with services and location research.
| Primary City | Oakley |
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| ZIP Code | 94561 |
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| County | Contra Costa County |
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| State | CA |
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| Latitude / Longitude | 37.99400, -121.70360 |
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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 94561 (not an exact boundary).
Geographic & Administrative Context
For mapping and verification, 94561 is commonly represented around 37.99400, -121.70360. These coordinates help identify the general area within Contra Costa County, CA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 94561 for mail delivery and general location reference in
Contra Costa County,
CA.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Oakley.
Related ZIP Codes (Nearby)
Explore other postal codes near Oakley within CA.
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Frequently Asked Questions
What is the primary city for ZIP code 94561?
The primary city for this ZIP code is Oakley, located in CA.
In which county is 94561 located?
ZIP code 94561 is situated within Contra Costa County, CA.
What are the coordinates for 94561?
The approximate center point is 37.99400 (Latitude) and -121.70360 (Longitude).
Is ZIP code 94561 active?
This page lists ZIP 94561 as Listed based on the latest refresh date shown above.
Does ZIP 94561 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