Reverse look up from a phone number
http://www.anywho.com/rl.html
Area Code Listings
http://www.thedirectory.org/pref/
Phone Spell
http://www.phonespell.org/
Find words in phone numbers or numbers for words
http://www.phonetic.com/
Toll Free number look up availability tool
http://businessesales.att.com/products_services/tollfreeproduct_catalogdisplay.jhtml
Call Recording legal issues
http://www.rcfp.org/taping/
Federal Communications Commission
http://www.fcc.gov
How to take action against junk faxes
http://www.junkfaxes.org/taking_action.htm
Phone scams to be careful of
http://www.att.com/gen/landing-pages?pid=6456&DCMP=att_safety
Traffic analysis and statistical calculators for call centers
http://www.erlang.com/calculator/
Tribute to the Telephone
http://www.telephonetribute.com/
To get a local number anywhere in the world
www.localworldnumber.com