People Search Sites (see also Extensive List of Search Engines)
  
Phone Number Look-ups
(white pages)		 People
Lycos Lycos - Put in name, city and state to get phone number
AnyWho AnyWho - Put in name, city and state to get phone number
SwitchBoard SwitchBoard - Put in name, city and state to get phone number
Yahoo Yahoo - Put in name, city and state to get phone number
InfoSpace InfoSpace - Put in name, city and state to get phone number - also has business look-up and finds neighbors of the searched for person

Info USA.com

Excellent Site! - Put in name, city and state to get phone number

BellSouth

Great White Pages
Reverse Look-ups
Infospace InfoSpace - Reverse look-up of phone numbers or addresses or area code or e-mail. Also find neighbors.
AnyWho - ATT AnyWho-ATT - Reverse phone look-up. Type in phone number, get address and name.
InfoUSA Reverse phone look-up. Type in phone number, get address and name.
E-mail Searches
HotBot Hot Bot - Find the e-mail address of a known person's first and last name
Lycos Lycos - Find other info about a person (phone, address etc.) using their name and e-mail domain name
Yahoo Yahoo - Enter name and or domain to get further information about the person (e-mail address, mailing address, phone number etc)
UseNet UseNet - MIT - Enter name and or organization to get further information about the person (e-mail address, mailing address, phone number etc)
Internet Address Finder Find person by e-mail address (reverse look-up) or by person's name to get their e-mail address
InfoSpace InfoSpace - Enter name and/or address to get e-mail address
Phone Number Look-ups
(yellow pages)		 Businesses
AnyWho AnyWho - Find business phone number by name or address
BellSouth BellSouth - Find business phone number by name or address - or look-up by category
Verizon Verizon - Find business phone number by name or address - or look-up by category