京東白條閃付卡號在京東金融APP端可以查看，具體操作步驟如下：
1、打開京東金融APP，點擊白條-白條閃付
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2、在白條閃付頁面，點擊我的閃付
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3、在我的閃付頁面，點擊查看卡片，即可查看白條閃付卡號。
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