Old Monroe MO ZIP Code
Old Monroe city is located in Missouri State, Lincoln County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Old Monroe MO zip code by its streets and block numbers if we have some of the Old Monroe streets loaded in our website
Old Monroe Area Code is 636 and Time Zone is Central (GMT -06:00).
Old Monroe Zip Code - Missouri
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Old Monroe City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Old Monroe ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Old Monroe, Missouri.
The Old Monroe Zip Code is 63369.
If you want to send a mail to Old Monroe City, you should use the 63369 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Old Monroe 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 63369 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Old Monroe 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.