Mount Union IA ZIP Code
Mount Union city is located in Iowa State, Henry County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Mount Union IA zip code by its streets and block numbers if we have some of the Mount Union streets loaded in our website
Mount Union Area Code is 319 and Time Zone is Central (GMT -06:00).
Mount Union Zip Code - Iowa
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Mount Union City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Mount Union ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Mount Union, Iowa.
The Mount Union Zip Code is 52644.
If you want to send a mail to Mount Union City, you should use the 52644 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Mount Union 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 52644 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Mount Union 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.