Rio Vista CA ZIP Code
Rio Vista city is located in California State, Solano County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Rio Vista CA zip code by its streets and block numbers if we have some of the Rio Vista streets loaded in our website
Rio Vista Area Code is 707 and Time Zone is Pacific (GMT -08:00).
Rio Vista Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Rio Vista City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Rio Vista ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Rio Vista, California.
The Rio Vista Zip Code is 94571.
If you want to send a mail to Rio Vista City, you should use the 94571 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Rio Vista 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 94571 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Rio Vista 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.