ZIP Code 91104: Pasadena, CA
County: Los Angeles County
Coordinates: 34.16780, -118.12610
ZIP Type: Standard
Time Zone: Pacific Time (PT)
Explore detailed information for ZIP code 91104 in Pasadena, CA. We include verified county details for Los Angeles County plus key geographic references used for mapping and logistics.
| Primary City | Pasadena |
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| ZIP Code | 91104 |
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| County | Los Angeles County |
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| State | CA |
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| Latitude / Longitude | 34.16780, -118.12610 |
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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 91104 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 91104 is approximately 34.16780 (latitude) and -118.12610 (longitude). This location sits within Los Angeles County, contributing to regional planning across CA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 91104 for mail delivery and general location reference in
Los Angeles County,
CA.
Some addresses near Pasadena may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near Pasadena within CA.
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Frequently Asked Questions
What is the primary city for ZIP code 91104?
The primary city for this ZIP code is Pasadena, located in CA.
In which county is 91104 located?
ZIP code 91104 is situated within Los Angeles County, CA.
What are the coordinates for 91104?
The approximate center point is 34.16780 (Latitude) and -118.12610 (Longitude).
Is ZIP code 91104 active?
This page lists ZIP 91104 as Listed based on the latest refresh date shown above.
Does ZIP 91104 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