Unlisted phone numbers are not to be found in a Phone Number List phone listing due largely to privacy reasons. Owners of unlisted telephone numbers have paid to mark their telephone numbers as unlisted and as such there is not a single free directory on the internet that is Phone Number List able to give you the details of the owners of such phone numbers. What the phone companies do is to keep these unlisted telephone numbers in their database together with the other Phone Number List numbers but they only publish the ones that are supposed to be published.
Published or listed telephone numbers are Phone Number List mostly business and office lines and this is what the masses need. No one publishes a Phone Number List personal telephone number because it is of no interest or benefit to the public except to prank callers and stalkers. If someone therefore needs to access and unlisted telephone number, the only way to lookup Phone Number List on such numbers is to do a reverse phone lookup.
A reverse telephone number lookup is a Phone Number List way of by passing the restrictions on unlisted phone numbers and getting into the database where all registered phone numbers are stored. A reverse phone lookup will give you such information as the name of the Phone Number List owner of a phone number as well as the address of the telephone number owner. You will Phone Number List not find such information elsewhere because it is not supposed to be found elsewhere.