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１、最早出现的１元面值电话卡：１９８８年上海发行的中国地图卡。 ２、最早出现的５元面值电话卡：１９９１年９月河北发行的祝贺第二届城运会卡。 ３、最早出现的１０元面值电话卡：１９８７年８月广州开通卡——蓝兔打电话。 ４、最早出现的２０元面值电话卡：１
1, the earliest appeared in 1 yuan face value calling card: 1988 Shanghai issued China map card. 2, the earliest 5 yuan face value phone card: September 1991 issue of Hebei Province congratulated the second session of the City Games card. 3, the earliest 10 yuan face value calling card: Guangzhou opened in August 1987 card - Blue Rabbit call. 4, the earliest 20 yuan face value calling card: 1