Can you look up fax numbers online for free?

As of 2015, there is no dedicated website to look up fax numbers online for free. Options for finding fax numbers include searching for the business on AnyWho.com or YellowPages.com and visiting the company's official website. Those wishing to find an individual's personal fax number should contact the person directly.

Some businesses may have its fax number and website listed online with a general phone directory. To search for a business at AnyWho.com, go to the website and click on "Yellow Pages." Enter the business name and location, then click on "Find." If a fax number is not listed, click on the website link to visit the company's website for more information.