Round Mountain CA ZIP Code
Round Mountain city is located in California State, Shasta County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Round Mountain CA zip code by its streets and block numbers if we have some of the Round Mountain streets loaded in our website
Round Mountain Area Code is 530 and Time Zone is Pacific (GMT -08:00).
Round Mountain Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Round Mountain City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Round Mountain ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Round Mountain, California.
The Round Mountain Zip Code is 96084.
If you want to send a mail to Round Mountain City, you should use the 96084 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Round Mountain 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 96084 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Round Mountain 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.