O Fallon MO ZIP Code

O Fallon 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 O Fallon MO zip code by its streets and block numbers if we have some of the O Fallon streets loaded in our website

O Fallon Area Code is 636 and Time Zone is Central (GMT -06:00).



O Fallon Zip Code - Missouri

The US ZIP Code basic format consists of five decimal numerical digits assigned to the O Fallon City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the O Fallon ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in O Fallon, Missouri.

The O Fallon Zip Code is 63366, 63368.



If you want to send a mail to O Fallon City, you should use the 63366, 63368 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded O Fallon 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 63366, 63368 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a O Fallon 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.


O Fallon, Missouri - MAP




What is the O Fallon Zip Code?

The O Fallon Zip Code in Missouri is 63366, 63368.


ZIP Plus 4 O Fallon - US Streets Zip Codes

By pressing keys ctrol + F you can search O Fallon zip codes by its streets, highways, and know the ZIP+4 US ZIP Code


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Search O Fallon Zip Code

What is the zip code for O Fallon MO?

63366, 63368

O Fallon, Missouri - US Zip Code



O Fallon ZIP Code Lookup

63366, 63368 Zip Code File:
Zip Code: 63366, 63368,
City: O Fallon
O Fallon Area Code: 636
O Fallon, MO - Time Zone: Central (GMT -06:00)
County: Saint Charles
City Alias: Ofallon, Dardenne Prairie, O Fallon, Saint Paul, Cottleville, Dardenne Pr, Saint Peters, Dardenne, Dardenne Prairie, Dardenne, O Fallon, Dardenne Pr, Ofallon
State: Missouri
State Abb: MO



Missouri Zip+4 - Nearby O Fallon Cities

Cities near O Fallon in Missouri
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