ZIP Code 94598: Walnut Creek, CA
County: Contra Costa County
Coordinates: 37.91940, -122.02590
ZIP Type: Standard
Time Zone: Pacific Time (PT)
Explore detailed information for ZIP code 94598 in Walnut Creek, CA. We include verified county details for Contra Costa County plus key geographic references used for mapping and logistics.
| Primary City | Walnut Creek |
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| ZIP Code | 94598 |
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| County | Contra Costa County |
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| State | CA |
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| Latitude / Longitude | 37.91940, -122.02590 |
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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 94598 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 94598 are listed as 37.91940 / -122.02590, useful for GPS and service checks in and around Walnut Creek, CA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 94598 for mail delivery and general location reference in
Contra Costa County,
CA.
Some addresses near Walnut Creek may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near Walnut Creek within CA.
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Frequently Asked Questions
What is the primary city for ZIP code 94598?
The primary city for this ZIP code is Walnut Creek, located in CA.
In which county is 94598 located?
ZIP code 94598 is situated within Contra Costa County, CA.
What are the coordinates for 94598?
The approximate center point is 37.91940 (Latitude) and -122.02590 (Longitude).
Is ZIP code 94598 active?
This page lists ZIP 94598 as Listed based on the latest refresh date shown above.
Does ZIP 94598 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