ZIP Code 91951: National City, CA
County: San Diego County
Coordinates: 32.67810, -117.09920
ZIP Type: Standard
Time Zone: Pacific Time (PT)
Explore detailed information for ZIP code 91951 in National City, CA. We include verified county details for San Diego County plus key geographic references used for mapping and logistics.
| Primary City | National City |
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| ZIP Code | 91951 |
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| County | San Diego County |
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| State | CA |
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| Latitude / Longitude | 32.67810, -117.09920 |
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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 91951 (not an exact boundary).
Geographic & Administrative Context
For mapping and verification, 91951 is commonly represented around 32.67810, -117.09920. 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 91951 for mail delivery and general location reference in
San Diego County,
CA.
Some addresses near National City may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near National City within CA.
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Frequently Asked Questions
What is the primary city for ZIP code 91951?
The primary city for this ZIP code is National City, located in CA.
In which county is 91951 located?
ZIP code 91951 is situated within San Diego County, CA.
What are the coordinates for 91951?
The approximate center point is 32.67810 (Latitude) and -117.09920 (Longitude).
Is ZIP code 91951 active?
This page lists ZIP 91951 as Listed based on the latest refresh date shown above.
Does ZIP 91951 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