Mount Hamilton CA ZIP Code
Mount Hamilton city is located in California State, Santa Clara County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Mount Hamilton CA zip code by its streets and block numbers if we have some of the Mount Hamilton streets loaded in our website
Mount Hamilton Area Code is 408 and Time Zone is Pacific (GMT -08:00).
Mount Hamilton Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Mount Hamilton City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Mount Hamilton ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Mount Hamilton, California.
The Mount Hamilton Zip Code is 95140.
If you want to send a mail to Mount Hamilton City, you should use the 95140 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Mount Hamilton 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 95140 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Mount Hamilton 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.