When you are trying to find a telephone number, online telephone directories may be the way to go. You can almost always find the phone number that you need, whether you are searching for a person or business in the United States, or internationally. Plus, many online directories offer reverse-searches, people searches, links to voicemail, virtual phone numbers, answering services, maps and more.
National Telephone Directories
SwitchBoard Offers numbers, maps, people finder, and zip codes
Whitepages Lists people and businesses, maps, and a reverse phone number look up
Yellow Pages Mobile and personal numbers of businesses
LBL Phone book for Berkeley lab employees from the US Dept. of Energy
411 USA online phone directory
Free People Search Free and easy telephone and person search directory
Area Code Local National phone directory
Whitepages AOL People, zip codes
International Telephone Directories
Number Way services areas such as South America, Asia, Canada, USA, and more
Iol White and yellow pages for Ireland
Friends Reuinted International telephone directory and people search
Kropla International dialing codes
Country Calling Codes International country codes
Numberway Germany online directory
Phone Book of the World World international telephone directory
Tel Switzerland phone directory
Fone Finder USA and Canada numbers
Wayp USA and Canada numbers
Apnidirectory Canadian directory and surrounding areas
800 Telephone Directories
Inter800 Toll-free 800 directory
Internettollfree National toll free directory
Freesearching National toll free directory
Cell Phone Directories
Mobile Phone UK, Canada, and USA cell phone numbers
Written by Jacob C. Herman