Kelseyville CA ZIP Code
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Kelseyville city is located in California State, Lake County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Kelseyville CA zip code by its streets and block numbers if we have some of the Kelseyville streets loaded in our website
Kelseyville Area Code is 707 and Time Zone is Pacific (GMT -08:00).
Kelseyville Zip Code - California
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Kelseyville City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Kelseyville ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Kelseyville, California.
The Kelseyville Zip Code is 95451.
If you want to send a mail to Kelseyville City, you should use the 95451 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Kelseyville 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 95451 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Kelseyville 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.