# 64.5000 Definitions.(a) *Prepaid calling card.* The term “prepaid calling card” means a card or similar device that allows users to pay in advance for a specified amount of calling, without regard to additional features, functions, or capabilities available in conjunction with the calling service.(b) *Prepaid calling card provider.* The term “prepaid calling card provider” means any entity that provides telecommunications service to consumers through the use of a prepaid calling card.