Delivering content to a requesting device over a content delivery network, the content being deliverable in only one or more restricted geographic regions and the requesting device being communicatively connected to a cellular communications service provider via a cellular communications network, the method comprising steps of: receiving a network identifier of the requesting device uniquely identifying the requesting device in the cellular communications network; transmitting a verification message over the cellular communications network for receipt by the requesting device; receiving, from the requesting device, an access control submission; receiving, from the cellular communications service provider, location information corresponding to a geographic location of the requesting device; and in response to a determination that the access control submission derives from the transmitted verification message and the location information indicates the requesting device is in one of the one or more restricted geographic regions, delivering the content to the requesting device.