Here is what I did last year. It worked well for me. I took my ten best accounts. Then I used whitepages.com. I did a reverse address search and then the website will show yo the 30 neighbors closest to them on their street. This was a small targeted mailing that gave me great results.
Here is a thread that I thought that describes this mailing.
http://www.groundtradesxchange.com/f...g-ideas-2.html