In which county is ZIP code 94309 located?

ZIP 94309 is listed under Santa Clara, CA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 94309: Palo Alto, CA

ZIP: 94309

County: Santa Clara

Coordinates: 37.44190, -122.14300

ZIP Type: Standard

Time Zone: Pacific Time (PT)

Explore detailed information for ZIP code 94309 in Palo Alto, CA. We include verified county details for Santa Clara plus key geographic references used for mapping and logistics.

Primary City	Palo Alto
ZIP Code	94309
County	Santa Clara
State	CA
Latitude / Longitude	37.44190, -122.14300
ZIP Type	Standard
Time Zone	Pacific Time (PT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 94309 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 94309 are listed as 37.44190 / -122.14300, useful for GPS and service checks in and around Palo Alto, CA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 94309 for mail delivery and general location reference in Santa Clara, CA.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Palo Alto.

Related ZIP Codes (Nearby)

Explore other postal codes near Palo Alto within CA.

Frequently Asked Questions

What is the primary city for ZIP code 94309?

The primary city for this ZIP code is Palo Alto, located in CA.

In which county is 94309 located?

ZIP code 94309 is situated within Santa Clara, CA.

What are the coordinates for 94309?

The approximate center point is 37.44190 (Latitude) and -122.14300 (Longitude).

Is ZIP code 94309 active?

This page lists ZIP 94309 as Listed based on the latest refresh date shown above.

Does ZIP 94309 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

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