ZIP Code 91003 – Altadena, California | ZipsCode.us
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ZIP Code 91003
Altadena, California · Los Angeles
ZIP code 91003 belongs to the city of Altadena in California (Los Angeles). See all California ZIP Codes.
ZIP code 91003 belongs to Altadena, California, in Los Angeles. If you are mailing a letter or package to this area, use Altadena, CA 91003 in the address. On this page you will find the city and county for 91003, nearby ZIP codes in the same county, and free tools to look up any address in this ZIP code.
What City Is ZIP Code 91003?
The city for ZIP code 91003 is Altadena, California. When you write an address in this area, the correct format is: Name, Street Address, Altadena, CA 91003.
ZIP Code 91003 County and State
ZIP code 91003 is located in Los Angeles, California. For a complete list of cities and ZIP codes across the state, see the California ZIP Codes page.
Nearby ZIP Codes in Los Angeles
These ZIP codes are in the same county as 91003:
ZIP Code 91003 on the Map
The map below shows the approximate center of ZIP code 91003, near Altadena, California. You can zoom in and drag the map to explore the area.
Map center is approximate (ZIP area center, around 34.1897, -118.1312). Map data © OpenStreetMap.
Find an Address in ZIP Code 91003
Need the full ZIP+4 code for a specific street address in Altadena? Use the free ZIP+4 Lookup tool, or find any ZIP code from a street address with the ZIP Code by Address tool.
Frequently Asked Questions
What city is ZIP code 91003?
ZIP code 91003 is for Altadena, California.
What county is ZIP code 91003 in?
ZIP code 91003 is in Los Angeles, California.
What state is ZIP code 91003 in?
ZIP code 91003 is in California (CA).
How do I find the ZIP+4 for an address in 91003?
Use the free ZIP+4 Lookup tool with the full street address to get the complete 9-digit ZIP code.
What are the nearby ZIP codes to 91003?
Nearby ZIP codes include 90001 (Los Angeles), 90002 (Los Angeles), 90003 (Los Angeles), 90004 (Los Angeles), 90005 (Los Angeles).
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