支付宝交纳社保费用操作步骤如下：

1、打开支付宝，找到“城市服务”这个应用。若在主页面找不到该程序，可以直接搜“城市服务”。

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2、找到第一个“社保公积金代缴”，选择所需要缴费人员的地区。

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3、点进去以后就是缴纳的页面，需要身份证。缴纳的金额有高、中、低三档可以选择。

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