Crystal City MO ZIP Code
Crystal City city is located in Missouri State, Jefferson County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Crystal City MO zip code by its streets and block numbers if we have some of the Crystal City streets loaded in our website
Crystal City Area Code is 636 and Time Zone is Central (GMT -06:00).
Crystal City Zip Code - Missouri
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Crystal City City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Crystal City ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Crystal City, Missouri.
The Crystal City Zip Code is 63019.
If you want to send a mail to Crystal City City, you should use the 63019 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Crystal City 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 63019 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Crystal City 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.