TUCoPS 3.0

The artofhacking.com is a very nice P&H resource site with
lots of interesting info available for all sorts of stuff its a must
check out site for any P&H's out there alike, so go check it out.
TUCoPS 3.0 is back and better then ever!

Phreaking Info

Lots and lots of good info on phreaking and tools used
to get the job done! This is a must check out for the
phreakers lurking out there.

Digital Information Society

Digital Information Society is a place to get info
on radio and phone communication and more.
So if this is your gig then it's a must see site!