Rialto CA ZIP Code
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Rialto 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 Rialto CA zip code by its streets and block numbers if we have some of the Rialto streets loaded in our website
Rialto Area Code is 909 and Time Zone is Pacific (GMT -08:00).
Rialto Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Rialto City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Rialto ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Rialto, California.
The Rialto Zip Code is 92376, 92377.
If you want to send a mail to Rialto City, you should use the 92376, 92377 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Rialto 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 92376, 92377 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Rialto 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.