ZIP Code 92377: Rialto, CA
County: San Bernardino County
Coordinates: 34.15610, -117.40420
ZIP Type: Standard
Time Zone: Pacific Time (PT)
Get a reliable snapshot of the Rialto, CA postal area 92377. This page summarizes county, coordinates, and local facts to help with services and location research.
| Primary City | Rialto |
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| ZIP Code | 92377 |
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| County | San Bernardino County |
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| State | CA |
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| Latitude / Longitude | 34.15610, -117.40420 |
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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 92377 (not an exact boundary).
Geographic & Administrative Context
For mapping and verification, 92377 is commonly represented around 34.15610, -117.40420. These coordinates help identify the general area within San Bernardino County, CA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 92377 for mail delivery and general location reference in
San Bernardino County,
CA.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Rialto.
Related ZIP Codes (Nearby)
Explore other postal codes near Rialto within CA.
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Frequently Asked Questions
What is the primary city for ZIP code 92377?
The primary city for this ZIP code is Rialto, located in CA.
In which county is 92377 located?
ZIP code 92377 is situated within San Bernardino County, CA.
What are the coordinates for 92377?
The approximate center point is 34.15610 (Latitude) and -117.40420 (Longitude).
Is ZIP code 92377 active?
This page lists ZIP 92377 as Listed based on the latest refresh date shown above.
Does ZIP 92377 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