Knightsen CA ZIP Code
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Knightsen 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 Knightsen CA zip code by its streets and block numbers if we have some of the Knightsen streets loaded in our website
Knightsen Area Code is 925 and Time Zone is Pacific (GMT -08:00).
Knightsen Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Knightsen City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Knightsen ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Knightsen, California.
The Knightsen Zip Code is 94548.
If you want to send a mail to Knightsen City, you should use the 94548 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Knightsen 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 94548 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Knightsen 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.