Ironwood MI ZIP Code
Ironwood city is located in Michigan State, Gogebic County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Ironwood MI zip code by its streets and block numbers if we have some of the Ironwood streets loaded in our website
Ironwood Area Code is 906 and Time Zone is Central (GMT -06:00).
Ironwood Zip Code - Michigan
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Ironwood City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Ironwood ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Ironwood, Michigan.
The Ironwood Zip Code is 49938.
If you want to send a mail to Ironwood City, you should use the 49938 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Ironwood 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 49938 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Ironwood 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 Michigan.