Castroville CA ZIP Code
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Castroville city is located in California State, Monterey County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Castroville CA zip code by its streets and block numbers if we have some of the Castroville streets loaded in our website
Castroville Area Code is 831 and Time Zone is Pacific (GMT -08:00).
Castroville Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Castroville City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Castroville ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Castroville, California.
The Castroville Zip Code is 95012.
If you want to send a mail to Castroville City, you should use the 95012 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Castroville 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 95012 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Castroville 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.