ZIP Code 91731: El Monte, CA
County: Los Angeles County
Coordinates: 34.07910, -118.03710
ZIP Type: Standard
Time Zone: Pacific Time (PT)
Explore detailed information for ZIP code 91731 in El Monte, CA. We include verified county details for Los Angeles County plus key geographic references used for mapping and logistics.
| Primary City | El Monte |
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| ZIP Code | 91731 |
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| County | Los Angeles County |
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| State | CA |
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| Latitude / Longitude | 34.07910, -118.03710 |
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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 91731 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 91731 are listed as 34.07910 / -118.03710, useful for GPS and service checks in and around El Monte, CA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 91731 for mail delivery and general location reference in
Los Angeles County,
CA.
Some addresses near El Monte may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near El Monte within CA.
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Frequently Asked Questions
What is the primary city for ZIP code 91731?
The primary city for this ZIP code is El Monte, located in CA.
In which county is 91731 located?
ZIP code 91731 is situated within Los Angeles County, CA.
What are the coordinates for 91731?
The approximate center point is 34.07910 (Latitude) and -118.03710 (Longitude).
Is ZIP code 91731 active?
This page lists ZIP 91731 as Listed based on the latest refresh date shown above.
Does ZIP 91731 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