ZIP Code 91921: Chula Vista, CA
County: San Diego County
Coordinates: 32.64010, -117.08420
ZIP Type: Standard
Time Zone: Pacific Time (PT)
This profile provides an in-depth look at ZIP code 91921, serving Chula Vista in CA. It lies in San Diego County and supports delivery, planning, and address verification.
| Primary City | Chula Vista |
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| ZIP Code | 91921 |
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| County | San Diego County |
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| State | CA |
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| Latitude / Longitude | 32.64010, -117.08420 |
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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 91921 (not an exact boundary).
Geographic & Administrative Context
For mapping and verification, 91921 is commonly represented around 32.64010, -117.08420. These coordinates help identify the general area within San Diego County, CA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 91921 for mail delivery and general location reference in
San Diego County,
CA.
Some addresses near Chula Vista may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near Chula Vista within CA.
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Frequently Asked Questions
What is the primary city for ZIP code 91921?
The primary city for this ZIP code is Chula Vista, located in CA.
In which county is 91921 located?
ZIP code 91921 is situated within San Diego County, CA.
What are the coordinates for 91921?
The approximate center point is 32.64010 (Latitude) and -117.08420 (Longitude).
Is ZIP code 91921 active?
This page lists ZIP 91921 as Listed based on the latest refresh date shown above.
Does ZIP 91921 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