I think if you were trying to find a current address you would be far better searching an up to date white pages
About the US Public Records Index (1984-present)
The US Public Records Index is a compilation of various public records spanning all 50 states in the United States from 1984 to the present. These records are all accessible to the general public by contacting the appropriate government or municipal agency. Ancestry.com has simply made the process of finding certain public records easier by making them available in an online searchable database.
Please note the following important details about the US Public Records Index:
People under the age of 18 are not listed in this index.
This index may contain information on individuals who have died since 1984.
Because of the historical nature of this index, individuals may be listed in households with prior spouses, etc.
Regards
Valda