A method of operating a communication system is disclosed which includes, in a wireless communication device, transferring a wireless beacon signal and responsively receiving a wireless access request from a user device, determining if a user identifier received with the wireless access request has usage credits in a data structure, exchanging wireless signals with the user device and with a wireless communication network based on the usage credits to provide a wireless communication service to the user device, and decrementing the usage credits for the user identifier in the data structure. The method also includes wirelessly transferring usage credit updates for receipt in a master data structure.