我2012年5月filed I130替妹妹申請移民,一周後收到 I-797C 給了一個receipt number,然後至今都沒有任何消息,我需要contact USCIS查詢嗎?謝謝老師!
-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)