ZIP Code 91701: Rancho Cucamonga, CA
County: San Bernardino County
Coordinates: 34.13760, -117.59990
ZIP Type: Standard
Time Zone: Pacific Time (PT)
Get a reliable snapshot of the Rancho Cucamonga, CA postal area 91701. This page summarizes county, coordinates, and local facts to help with services and location research.
| Primary City | Rancho Cucamonga |
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| ZIP Code | 91701 |
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| County | San Bernardino County |
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| State | CA |
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| Latitude / Longitude | 34.13760, -117.59990 |
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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 91701 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 91701 are listed as 34.13760 / -117.59990, useful for GPS and service checks in and around Rancho Cucamonga, CA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 91701 for mail delivery and general location reference in
San Bernardino County,
CA.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Rancho Cucamonga.
Related ZIP Codes (Nearby)
Explore other postal codes near Rancho Cucamonga within CA.
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Frequently Asked Questions
What is the primary city for ZIP code 91701?
The primary city for this ZIP code is Rancho Cucamonga, located in CA.
In which county is 91701 located?
ZIP code 91701 is situated within San Bernardino County, CA.
What are the coordinates for 91701?
The approximate center point is 34.13760 (Latitude) and -117.59990 (Longitude).
Is ZIP code 91701 active?
This page lists ZIP 91701 as Listed based on the latest refresh date shown above.
Does ZIP 91701 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