ZIP Code 91943: La Mesa, CA
County: San Diego County
Coordinates: 32.76780, -117.02310
ZIP Type: Standard
Time Zone: Pacific Time (PT)
Get a reliable snapshot of the La Mesa, CA postal area 91943. This page summarizes county, coordinates, and local facts to help with services and location research.
| Primary City | La Mesa |
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| ZIP Code | 91943 |
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| County | San Diego County |
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| State | CA |
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| Latitude / Longitude | 32.76780, -117.02310 |
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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 91943 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 91943 is approximately 32.76780 (latitude) and -117.02310 (longitude). This location sits within San Diego County, contributing to regional planning across CA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 91943 for mail delivery and general location reference in
San Diego County,
CA.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with La Mesa.
Related ZIP Codes (Nearby)
Explore other postal codes near La Mesa within CA.
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Frequently Asked Questions
What is the primary city for ZIP code 91943?
The primary city for this ZIP code is La Mesa, located in CA.
In which county is 91943 located?
ZIP code 91943 is situated within San Diego County, CA.
What are the coordinates for 91943?
The approximate center point is 32.76780 (Latitude) and -117.02310 (Longitude).
Is ZIP code 91943 active?
This page lists ZIP 91943 as Listed based on the latest refresh date shown above.
Does ZIP 91943 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