Montclair CA ZIP Code
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Montclair 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 Montclair CA zip code by its streets and block numbers if we have some of the Montclair streets loaded in our website
Montclair Area Code is 909/951 and Time Zone is Pacific (GMT -08:00).
Montclair Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Montclair City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Montclair ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Montclair, California.
The Montclair Zip Code is 91763.
If you want to send a mail to Montclair City, you should use the 91763 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Montclair 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 91763 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Montclair 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.