From what I understand from the Yahoo page, this is only for US addresses ? Seem to require "US State"and there is no Country parameter when sending the query. 

Forfiles is a little known command that is great for iterating over a number of files that meet a condition, it's available in both 2000, XP and 2003 but there are different versions...

There is no need to separately instantiate SqlParameter, you can simply do this:

sqlCommand.Parameters.Add("@myID", SqlDbType.Int).Value = 1001;