Porterville CA ZIP Code
Porterville city is located in California State, Tulare County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Porterville CA zip code by its streets and block numbers if we have some of the Porterville streets loaded in our website
Porterville Area Code is 559 and Time Zone is Pacific (GMT -08:00).
Porterville Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Porterville City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Porterville ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Porterville, California.
The Porterville Zip Code is 93257, 93258.
If you want to send a mail to Porterville City, you should use the 93257, 93258 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Porterville 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 93257, 93258 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Porterville 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.