ZIP Code 94942: Mill Valley, CA
County: Marin
Coordinates: 37.90600, -122.54500
ZIP Type: Standard
Time Zone: Pacific Time (PT)
Get a reliable snapshot of the Mill Valley, CA postal area 94942. This page summarizes county, coordinates, and local facts to help with services and location research.
| Primary City | Mill Valley |
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| ZIP Code | 94942 |
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| County | Marin |
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| State | CA |
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| Latitude / Longitude | 37.90600, -122.54500 |
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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 94942 (not an exact boundary).
Geographic & Administrative Context
For mapping and verification, 94942 is commonly represented around 37.90600, -122.54500. These coordinates help identify the general area within Marin, CA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 94942 for mail delivery and general location reference in
Marin,
CA.
This ZIP may extend beyond the city core into nearby communities within Marin.
Related ZIP Codes (Nearby)
Explore other postal codes near Mill Valley within CA.
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Frequently Asked Questions
What is the primary city for ZIP code 94942?
The primary city for this ZIP code is Mill Valley, located in CA.
In which county is 94942 located?
ZIP code 94942 is situated within Marin, CA.
What are the coordinates for 94942?
The approximate center point is 37.90600 (Latitude) and -122.54500 (Longitude).
Is ZIP code 94942 active?
This page lists ZIP 94942 as Listed based on the latest refresh date shown above.
Does ZIP 94942 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