ZIP Code 95430: Duncans Mills, CA
County: Sonoma
Coordinates: 38.39290, -123.00570
ZIP Type: Standard
Time Zone: Pacific Time (PT)
This profile provides an in-depth look at ZIP code 95430, serving Duncans Mills in CA. It lies in Sonoma and supports delivery, planning, and address verification.
| Primary City | Duncans Mills |
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| ZIP Code | 95430 |
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| County | Sonoma |
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| State | CA |
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| Latitude / Longitude | 38.39290, -123.00570 |
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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 95430 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 95430 are listed as 38.39290 / -123.00570, useful for GPS and service checks in and around Duncans Mills, CA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 95430 for mail delivery and general location reference in
Sonoma,
CA.
Some addresses near Duncans Mills may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near Duncans Mills within CA.
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Frequently Asked Questions
What is the primary city for ZIP code 95430?
The primary city for this ZIP code is Duncans Mills, located in CA.
In which county is 95430 located?
ZIP code 95430 is situated within Sonoma, CA.
What are the coordinates for 95430?
The approximate center point is 38.39290 (Latitude) and -123.00570 (Longitude).
Is ZIP code 95430 active?
This page lists ZIP 95430 as Listed based on the latest refresh date shown above.
Does ZIP 95430 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