Methods and systems for authorizing access by a user of at least one service associated with an event at a venue based on a location of the user as determined by assets of a data communications network (e.g., Internet protocol based networks, computer network, telecommunications network, wireless network, Internet, etc). A location of at least one user can be determined based on communications of at least one computing device utilized by the at least one user with the data communications network supporting data communications of the at least one computing device. The at least one computing device can be authorized to receive the at least one service based on the location as determined by the data communications network and/or a server. The data communications network can further comprise at least one of a server, a gateway, a home location register and a visiting location register.