Mt Baldy CA ZIP Code
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Mt Baldy city is located in California State, San Bernardino County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Mt Baldy CA zip code by its streets and block numbers if we have some of the Mt Baldy streets loaded in our website
Mt Baldy Area Code is 760 and Time Zone is Pacific (GMT -08:00).
Mt Baldy Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Mt Baldy City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Mt Baldy ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Mt Baldy, California.
The Mt Baldy Zip Code is 91759.
If you want to send a mail to Mt Baldy City, you should use the 91759 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Mt Baldy 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 91759 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Mt Baldy 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.