Florissant MO ZIP Code
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Florissant city is located in Missouri State, Saint Louis County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Florissant MO zip code by its streets and block numbers if we have some of the Florissant streets loaded in our website
Florissant Area Code is 314/636 and Time Zone is Central (GMT -06:00).
Florissant Zip Code - Missouri
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Florissant City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Florissant ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Florissant, Missouri.
The Florissant Zip Code is 63031, 63032, 63033, 63034.
If you want to send a mail to Florissant City, you should use the 63031, 63032, 63033, 63034 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Florissant 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 63031, 63032, 63033, 63034 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Florissant 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.