When you add and select the Geocoder layer in MapInfo Pro Layer Control, black lines are rendered over the existing streets.
Now, when you use the Info tool to point at a particular road with address range information, and then click on the Geocoder link at the top of the resultant box:
The associated address range information opens, together with Road Class information and an indicator (True or False) of whether the selected feature is a Toll road:
Click the double arrow symbol 
to view the miCode,
Longitude and Latitude, and A2_Code, is a numeric code
consisting of the state FIPS + county FIPS code.
The Geocoder table is a view table and has no structure, it opens the geocode1 and geocode2 tables and joins them on MI_Refnum to create a table view.