ZIP Code 94940: Marshall, CA
County: Marin
Coordinates: 38.17620, -122.89000
ZIP Type: Standard
Time Zone: Pacific Time (PT)
Explore detailed information for ZIP code 94940 in Marshall, CA. We include verified county details for Marin plus key geographic references used for mapping and logistics.
| Primary City | Marshall |
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| ZIP Code | 94940 |
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| County | Marin |
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| State | CA |
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| Latitude / Longitude | 38.17620, -122.89000 |
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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 94940 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 94940 is approximately 38.17620 (latitude) and -122.89000 (longitude). This location sits within Marin, contributing to regional planning across CA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 94940 for mail delivery and general location reference in
Marin,
CA.
Some addresses near Marshall may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near Marshall within CA.
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Frequently Asked Questions
What is the primary city for ZIP code 94940?
The primary city for this ZIP code is Marshall, located in CA.
In which county is 94940 located?
ZIP code 94940 is situated within Marin, CA.
What are the coordinates for 94940?
The approximate center point is 38.17620 (Latitude) and -122.89000 (Longitude).
Is ZIP code 94940 active?
This page lists ZIP 94940 as Listed based on the latest refresh date shown above.
Does ZIP 94940 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