A directory of mailing lists searchable by title and subject. Tile Net Searches Listserv lists. Clean interface, well organized hit list. White pages Use white pages to find persons, organizations or businesses. Most search engines also offer options to search for people and businesses.
Many sources overlap.
Bigfoot US only. International e-mail and postal adresses. The source for many other directories. Mapquest has lots of data, but may be slow at peak hours. Addresses and maps.