ZIP Code 91979: Spring Valley, CA
County: San Diego County
Coordinates: 32.74480, -116.99890
ZIP Type: Standard
Time Zone: Pacific Time (PT)
Get a reliable snapshot of the Spring Valley, CA postal area 91979. This page summarizes county, coordinates, and local facts to help with services and location research.
| Primary City | Spring Valley |
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| ZIP Code | 91979 |
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| County | San Diego County |
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| State | CA |
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| Latitude / Longitude | 32.74480, -116.99890 |
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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 91979 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 91979 are listed as 32.74480 / -116.99890, useful for GPS and service checks in and around Spring Valley, CA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 91979 for mail delivery and general location reference in
San Diego County,
CA.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Spring Valley.
Related ZIP Codes (Nearby)
Explore other postal codes near Spring Valley within CA.
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Frequently Asked Questions
What is the primary city for ZIP code 91979?
The primary city for this ZIP code is Spring Valley, located in CA.
In which county is 91979 located?
ZIP code 91979 is situated within San Diego County, CA.
What are the coordinates for 91979?
The approximate center point is 32.74480 (Latitude) and -116.99890 (Longitude).
Is ZIP code 91979 active?
This page lists ZIP 91979 as Listed based on the latest refresh date shown above.
Does ZIP 91979 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