Chesterfield MO ZIP Code
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Chesterfield 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 Chesterfield MO zip code by its streets and block numbers if we have some of the Chesterfield streets loaded in our website
Chesterfield Area Code is 636/314 and Time Zone is Central (GMT -06:00).
Chesterfield Zip Code - Missouri
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Chesterfield City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Chesterfield ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Chesterfield, Missouri.
The Chesterfield Zip Code is 63005, 63006, 63017.
If you want to send a mail to Chesterfield City, you should use the 63005, 63006, 63017 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Chesterfield 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 63005, 63006, 63017 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Chesterfield 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.