ZIP Code 91773: San Dimas, CA
County: Los Angeles County
Coordinates: 34.10230, -117.81690
ZIP Type: Standard
Time Zone: Pacific Time (PT)
This profile provides an in-depth look at ZIP code 91773, serving San Dimas in CA. It lies in Los Angeles County and supports delivery, planning, and address verification.
| Primary City | San Dimas |
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| ZIP Code | 91773 |
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| County | Los Angeles County |
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| State | CA |
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| Latitude / Longitude | 34.10230, -117.81690 |
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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 91773 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 91773 is approximately 34.10230 (latitude) and -117.81690 (longitude). This location sits within Los Angeles County, contributing to regional planning across CA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 91773 for mail delivery and general location reference in
Los Angeles County,
CA.
Some addresses near San Dimas may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near San Dimas within CA.
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Frequently Asked Questions
What is the primary city for ZIP code 91773?
The primary city for this ZIP code is San Dimas, located in CA.
In which county is 91773 located?
ZIP code 91773 is situated within Los Angeles County, CA.
What are the coordinates for 91773?
The approximate center point is 34.10230 (Latitude) and -117.81690 (Longitude).
Is ZIP code 91773 active?
This page lists ZIP 91773 as Listed based on the latest refresh date shown above.
Does ZIP 91773 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