Altadena CA ZIP Code


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Altadena city is located in California State, Los Angeles County and has a unique zip code assigned by the US Postal Service Office.


You can search for the Altadena CA zip code by its streets and block numbers if we have some of the Altadena streets loaded in our website

Altadena Area Code is 626 and Time Zone is Pacific (GMT -08:00).



Altadena Zip Code - California

The US ZIP Code basic format consists of five decimal numerical digits assigned to the Altadena City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Altadena ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Altadena, California.

The Altadena Zip Code is 91001, 91003.



If you want to send a mail to Altadena City, you should use the 91001, 91003 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Altadena ZIP code system that it called ZIP+4, often called "plus-four codes", "add-on codes", or "add ons". A ZIP+4 code uses the basic 91001, 91003 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Altadena city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in California.


Altadena, California - MAP



What is the Altadena Zip Code?

The Altadena Zip Code in California is 91001, 91003.


ZIP Plus 4 Altadena - US Streets Zip Codes

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Search Altadena Zip Code

What is the zip code for Altadena CA?

91001, 91003

Altadena, California - US Zip Code



Altadena ZIP Code Lookup

91001, 91003 Zip Code File:
Zip Code: 91001, 91003,
City: Altadena
Altadena Area Code: 626
Altadena, CA - Time Zone: Pacific (GMT -08:00)
County: Los Angeles
City Alias: Altadena, Altadena
State: California
State Abb: CA



California Zip+4 - Nearby Altadena Cities

Cities near Altadena in California
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