Mount Wilson CA ZIP Code

Mount Wilson 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 Mount Wilson CA zip code by its streets and block numbers if we have some of the Mount Wilson streets loaded in our website

Mount Wilson Area Code is 818 and Time Zone is Pacific (GMT -08:00).

Mount Wilson Zip Code - California

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

The Mount Wilson Zip Code is 91023.

If you want to send a mail to Mount Wilson City, you should use the 91023 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Mount Wilson 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 91023 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Mount Wilson 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.

Mount Wilson, California - MAP

What is the Mount Wilson Zip Code?

The Mount Wilson Zip Code in California is 91023.

ZIP Plus 4 Mount Wilson - US Streets Zip Codes

By pressing keys ctrol + F you can search Mount Wilson zip codes by its streets, highways, and know the ZIP+4

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What is the zip code for Mount Wilson CA?


Mount Wilson, California -

Mount Wilson ZIP Code Lookup

91023 Zip Code File:
Zip Code: 91023,
City: Mount Wilson
Mount Wilson Area Code: 818
Mount Wilson, CA - Time Zone: Pacific (GMT -08:00)
County: Los Angeles
City Alias: Mount Wilson
State: California
State Abb: CA

California Zip+4 - Nearby Mount Wilson Cities

Cities near Mount Wilson in California
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