How to contact CSC

newdoc

Registered Users (C)
HI all,

I need your help, my I-485 was submitted on 1st September and it landed up with TSC with Receipt num SRC*****, but today I learnt that they have transferred the case to CSC. So how can I contact CSC, as if I contact the customer service line and input my receipt number it transfers to TSC. Can anybody guide me how to contact CSC customer service. (my I-764, I-131, I-140 all approved)

thanks in advance
newdoc
 
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