A method and apparatus for controlling a home network access using phone numbers, and a system thereof, which enables a sharing user to simply set and manage sharing environment based on a telephone number capable of being easily recognized by the sharing user, and enables sharing users to simply access a sharing device inside a home using telephone numbers previously recognized by the sharing users when sharing contents of a UPnP device connected to a home network with the sharing users outside the home. The system includes a phone number management server for managing phone number information and a linked home gateway identifier, an access list management server for managing an access list, a home gateway management server for managing state information and access information of a home gateway, and a service server for receiving a service request from a remoter terminal and processing the received service request.