An online telephone directory contains business and residential phone listings. Most online directories are free to use and easy to use.
A reliable online telephone directory is the White Pages. The site allows users to search by first and last name and city and state. The White Pages can also perform reverse phone and address searches and offers a free Caller ID app for Android devices.
Another good telephone directory site is the Yellow Pages. The site searches business listing in the U.S. Searches on the site can also be performed by business category and collection. Visitors to the site can create free accounts to save searches for future use.