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我2012年5月filed I130替妹妹申请移民,一周后收到 I-797C 给了一个receipt number,然后至今都没有任何消息,我需要contact USCIS查询吗?谢谢老师!
-Yes, you may calll USCIS for the case status. See this link for how to talk to a live person in USCIS:
THIS is how to speak with a live person at USCIS [2022] (stilt.com)