Phone numbers for both individuals and businesses are available on phone directory websites such as yellowpages.com and whitepages.com. Individuals can look for landline numbers on these websites.
Individuals can search for a particular phone number by name or address. Online phone directories provide individuals with other services besides finding phone numbers. One can use the reverse look-up function of these websites to find out who has called from a certain number. Besides offering information about the identity of the caller, these websites can also provide background checks, public records, criminal checks, additional phone numbers, email addresses and social network profiles where available.