Oroville CA ZIP Code
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Oroville city is located in California State, Butte County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Oroville CA zip code by its streets and block numbers if we have some of the Oroville streets loaded in our website
Oroville Area Code is 530 and Time Zone is Pacific (GMT -08:00).
Oroville Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Oroville City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Oroville ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Oroville, California.
The Oroville Zip Code is 95965, 95966.
If you want to send a mail to Oroville City, you should use the 95965, 95966 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Oroville 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 95965, 95966 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Oroville 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.