Palo Alto CA ZIP Code
Palo Alto 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 Palo Alto CA zip code by its streets and block numbers if we have some of the Palo Alto streets loaded in our website
Palo Alto Area Code is 650 and Time Zone is Pacific (GMT -08:00).
Palo Alto Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Palo Alto City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Palo Alto ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Palo Alto, California.
The Palo Alto Zip Code is 94301, 94302, 94303, 94304, 94306, 94309.
If you want to send a mail to Palo Alto City, you should use the 94301, 94302, 94303, 94304, 94306, 94309 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Palo Alto 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 94301, 94302, 94303, 94304, 94306, 94309 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Palo Alto 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.