支付宝怎么查看银行卡号？

可以登录支付宝软件，通过支付宝之前绑定的银行卡的地方进行查看，就可以知道之前绑定的银行卡卡号了，具体方法是：

1、打开手机界面，点击“支付宝”图标。

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2、在打开的界面中，点击“我的”选项。

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3、在出现的界面中，点击“银行卡”选项。

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4、此时出现银行卡的界面，就可以看到当时绑定的银行卡了，可以看到银行卡号的后四位，根据后四位，再去查找一下自己的银行卡即可。

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注意事项：

支付宝绑定的银行卡，还有转账的功能。注意保管好自己的信息，不要透露给不认识的人。