A free reverse phone lookup is available from ReversePhoneLookup.com. The website lists the owner’s name and address, service provider, and phone type (landline or cellphone). Ownership information is available for most but not all numbers in the North American Numbering Plan. When ownership information is unavailable, the website displays any available information associated with the number, such as the service provider and general area. ReversePhoneLookup.com places no restrictions on the amount of reverse phone lookups performed for free.
While it is possible to attempt to reverse any type of number, some types, such as business or wireless numbers, are usually more difficult. Other factors that influence the difficulty of a number’s reversal include how many times the number has been handed out and how long it has been active. As a rule, cellphone numbers are the most difficult type to reverse.
A reverse phone lookup is legal in the United States, but may not be in other jurisdictions. The United States places no restriction on the type of number, such as business, fax, cellular or residential, that may be reversed. Other countries may place various restrictions on reverse phone lookups, and ReversePhoneLookups.com offers a directory of websites that offer international lookups.