Just get a po box and an 800 # service.
The wonderful thing is once you do this you get fucking assholes calling you trying to sell you shit. In my case a lame mainstream company was trying to harrass me about a newly registered domain name which had nothing to do with them.
http://reports.internic.net/cgi/rpt_whois/rpt.cgi
there's the link, report away fuckers.