Lake Saint Louis MO ZIP Code
Lake Saint Louis city is located in Missouri State, Saint Charles County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Lake Saint Louis MO zip code by its streets and block numbers if we have some of the Lake Saint Louis streets loaded in our website
Lake Saint Louis Area Code is 636 and Time Zone is Central (GMT -06:00).
Lake Saint Louis Zip Code - Missouri
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Lake Saint Louis City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Lake Saint Louis ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Lake Saint Louis, Missouri.
The Lake Saint Louis Zip Code is 63367.
If you want to send a mail to Lake Saint Louis City, you should use the 63367 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Lake Saint Louis 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 63367 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Lake Saint Louis 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 Missouri.