A data processing system facilitates content-delivery to a wireless communication device over a plurality of Content Delivery Networks (CDNs). The data system receives Internet Protocol (IP) address data sets characterizing IP access to the wireless communication device through one or more IP access networks. The data system receives one or more CDN identifiers indicating active ones of the CDNs for the wireless communication device on the IP access networks. The data system processes the IP address data sets and the CDN identifiers to identify a network address for one of the CDNs and a content-delivery interface from the one CDN to the wireless communication device. The data system transfers network data indicating the wireless communication device, the network address to the one CDN, and the content-delivery interface.