Bethel Island CA ZIP Code
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Bethel Island city is located in California State, Contra Costa County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Bethel Island CA zip code by its streets and block numbers if we have some of the Bethel Island streets loaded in our website
Bethel Island Area Code is 925 and Time Zone is Pacific (GMT -08:00).
Bethel Island Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Bethel Island City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Bethel Island ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Bethel Island, California.
The Bethel Island Zip Code is 94511.
If you want to send a mail to Bethel Island City, you should use the 94511 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Bethel Island 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 94511 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Bethel Island 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.