Trinidad CA ZIP Code
Trinidad city is located in California State, Humboldt County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Trinidad CA zip code by its streets and block numbers if we have some of the Trinidad streets loaded in our website
Trinidad Area Code is 707 and Time Zone is Pacific (GMT -08:00).
Trinidad Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Trinidad City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Trinidad ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Trinidad, California.
The Trinidad Zip Code is 95570.
If you want to send a mail to Trinidad City, you should use the 95570 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Trinidad 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 95570 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Trinidad 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.