ZIP Code 94401: San Mateo, CA
County: San Mateo
Coordinates: 37.57350, -122.32250
ZIP Type: Standard
Time Zone: Pacific Time (PT)
Explore detailed information for ZIP code 94401 in San Mateo, CA. We include verified county details for San Mateo plus key geographic references used for mapping and logistics.
| Primary City | San Mateo |
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| ZIP Code | 94401 |
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| County | San Mateo |
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| State | CA |
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| Latitude / Longitude | 37.57350, -122.32250 |
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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 94401 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 94401 is approximately 37.57350 (latitude) and -122.32250 (longitude). This location sits within San Mateo, contributing to regional planning across CA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 94401 for mail delivery and general location reference in
San Mateo,
CA.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with San Mateo.
Related ZIP Codes (Nearby)
Explore other postal codes near San Mateo within CA.
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Frequently Asked Questions
What is the primary city for ZIP code 94401?
The primary city for this ZIP code is San Mateo, located in CA.
In which county is 94401 located?
ZIP code 94401 is situated within San Mateo, CA.
What are the coordinates for 94401?
The approximate center point is 37.57350 (Latitude) and -122.32250 (Longitude).
Is ZIP code 94401 active?
This page lists ZIP 94401 as Listed based on the latest refresh date shown above.
Does ZIP 94401 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