ZIP Code 91003: Altadena, California
ZIP code 91003 covers part or all of Altadena in Los Angeles County, California. Its reference point is at latitude 33.7866 and longitude -118.2987 (33°47'11.8"N 118°17'55.3"W).
Location Overview of ZIP Code 91003
Altadena, CA has 3 ZIP codes in our directory. Besides 91003, they include 91001, 91002.
Across Los Angeles County there are 532 ZIP codes listed, and California has 2,792 in total.
The nearest listed ZIP code is 90009 (Los Angeles, CA), which shares the same reference point.
| ZIP code | 91003 |
|---|---|
| City | Altadena |
| County | Los Angeles County |
| State | California (CA) |
| Latitude | 33.7866 |
| Longitude | -118.2987 |
| DMS | 33°47'11.8"N 118°17'55.3"W |
| Nearest ZIP | 90009 (Los Angeles, same location) |
Map of ZIP Code 91003
Map centered on 33.7866, -118.2987. The pin marks the ZIP code's reference point, not its boundary.
Photos of Altadena, CA
Video: Altadena, CA
Celebrating 100: History of Christmas Tree Lane, Altadena California 1920-2020 — by Model Trains · Watch on YouTube
ZIP Codes Near 91003
These 15 ZIP codes have the closest reference points to 91003, measured in a straight line.
Nearby Cities and Towns
The closest communities to ZIP code 91003, measured in a straight line from its reference point, are Los Angeles, CA (same reference point). Distances are approximate and road distances will be longer.
- Los Angeles, CA – same reference point
Schools Near Altadena, CA
Public school assignments in the United States are based on street address, so families in ZIP code 91003 should confirm their assigned school with the school district that serves Altadena and Los Angeles County.
Searching nearby communities such as Los Angeles can widen the list of public, private and charter options. The links below open live Google Maps results centered on 91003.
Parks and Outdoor Recreation
Parks, trails and playgrounds around Altadena, CA are easiest to find on the map above or with the searches below, which are centered on ZIP code 91003.
Hospitals and Healthcare
Hospitals, urgent care clinics and pharmacies serving Altadena, CA can be found with the searches below. In a medical emergency, call 911.
Residents of ZIP code 91003 may also use facilities in nearby Los Angeles.
Shopping and Dining in Altadena
Restaurants, grocery stores and shopping centers in and around ZIP code 91003 are listed in the Google Maps searches below, with current hours and reviews.
Libraries and Historical Places
Public libraries, museums and historic sites near Altadena, California can be found with the searches below, which are centered on ZIP code 91003.
To research local history, try searching for Los Angeles County records and archives along with the name Altadena.
Roads, Rivers and Lakes
From ZIP code 91003, Los Angeles shares the same reference point. Use the directions link for turn-by-turn routes and road names.
Rivers, lakes and other water features near Altadena show up on the map above, or you can search for them directly.
Frequently Asked Questions About ZIP Code 91003
Photo & Video Credits
- Photo 1 (“Synageles male”): glmory, CC0, via Wikimedia Commons.
- Video: “Celebrating 100: History of Christmas Tree Lane, Altadena California 1920-2020” by Model Trains, embedded from YouTube. All rights belong to the creator.
Photos are shown from their original source under the licenses listed. They were taken near this ZIP code's reference point and may show neighboring areas.
Data for ZIP code 91003 comes from a public U.S. postal code dataset and is provided for general reference. Always confirm mailing details with the U.S. Postal Service.