Ballwin MO ZIP Code
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Ballwin 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 Ballwin MO zip code by its streets and block numbers if we have some of the Ballwin streets loaded in our website
Ballwin Area Code is 636 and Time Zone is Central (GMT -06:00).
Ballwin Zip Code - Missouri
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Ballwin City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Ballwin ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Ballwin, Missouri.
The Ballwin Zip Code is 63011, 63021, 63022, 63024.
If you want to send a mail to Ballwin City, you should use the 63011, 63021, 63022, 63024 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Ballwin 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 63011, 63021, 63022, 63024 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Ballwin 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.