Answer:
When you need to learn the name and address from the proprietor of a cell phone/landline number and this range is not enlisted on public whitepages/phone books, then you definitely will probably have to have a expert reverse phone lookup service. These providers have acquired legal access to personal databases of various telephone operators, landline mobile phone firms, etc. They compile & regularly update several databases from multiple organizations in huge numbers such that it includes information about almost all the phone numbers owned by people in the USA. This database includes the name, address and other such details associated with each individual land line numbers, unlisted numbers and mobile/cell telephone numbers.
These reverse cellular phone lookup companies in USA are bound by authorized agreements with these phone businesses which restrict them from distributing this information freely to protect privacy of customers. Hence lookup companies usually require you to have a valid credit card/paypal account for registration. This ensures that their services cannot be used for illegal usage(like stalking,and many others). Also the individual cellphone firms charge a fee for access to their databases in the first place, so these reverse lookup corporations in turn try to make up some of their spending by requiring a nominal subscription fee from the end-users like you.
There is a good company called phonenumberscan on the us domain, providing every available address in the country for reverse phone number lookup and also cell phones.