www.isaac.cs.berkeley.edu/ 

www.phonelosers.org 
come.to/mobdomain 
www.hackersclub.com 
www-personal.engin.umich.edu/~jgotts/underground/boxes.html 
members.tripod.com/~iang/ 
pla.tsx.org 
boards.eesite.com/ 
www.geek.org.uk/phila/nd/index.html 
www.slcnet.net/personalwww/apollo/telecom/phreak.htm 
www.webcrunchers.com 
www.visual-traffic.com/hacker.html 
www.phreak.org