Research Database: Phone Directories ReferenceUSA Telephone and address directories, nationwide. The ReferenceUSA database contains, in module format, detailed information on more than 14 million U.S. businesses and 210 million U.S. residents. Go to ReferenceUSA
Recommended Links: Phone Directories AllAreaCodes.com Look up area codes by state, or search area codes numerically to find out what cities they serve. http://www.allareacodes.com/
Anywho Directories by AT&T Labs - Toll-free numbers of 150,000 businesses and organizations searchable by category or name. http://www.anywho.com/tf.html
InfoSpace Search the Web's most comprehensive directory with more than 112 million listings of people, businesses, government offices, toll-free numbers, fax numbers, e-mail addresses, maps and URL's in one integrated database. Look up the address and phone number of a friend and print off driving instructions and a map. Also includes a celebrity directory. http://www.infospace.com/
Internet 800 Search More comprehensive than the AT&T directory, this resource lists 800 and 888 toll-free numbers for over 300,000 businesses regardless of long distance provider. http://inter800.com/index.html
Switchboard 106 million residential listings and 11 million business listings in this telephone directory. http://www.switchboard.com/
Infobel.com A comprehensive collection of phone, fax, and email directories from 170 countries around the world. http://www.infobel.com/en/world/