An apparatus for providing identical broadcasting contents to wireless communication access networks using different wireless access technologies includes: a broadcasting service request processing device configured to receive a broadcasting service initiation request from a subscriber terminal and feed back an authentication result regarding a requested service; a subscriber authentication processing interface device configured to perform an authentication function regarding a broadcasting service requested by a subscriber through connection with an external authentication server; a contents broadcasting control device configured to identify a broadcasting service area based on the broadcasting service request of the subscriber terminal, when authentication has been normally finished, and broadcasting contents corresponding to the broadcasting service area and control transmission of the broadcasting contents using address information necessary to deliver the broadcasting contents; and a broadcasting service area configuration information storage device configured to store predetermined broadcasting service area information.