Grand Junction IA ZIP Code
Grand Junction city is located in Iowa State, Greene County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Grand Junction IA zip code by its streets and block numbers if we have some of the Grand Junction streets loaded in our website
Grand Junction Area Code is 515 and Time Zone is Central (GMT -06:00).
Grand Junction Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Grand Junction City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Grand Junction ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Grand Junction, Iowa.
The Grand Junction Zip Code is 50107.
If you want to send a mail to Grand Junction City, you should use the 50107 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Grand Junction 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 50107 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Grand Junction 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 Iowa.