when I can get SSN

i filed the marriage green card on march 9, they received on March 13. I
have finger print on April 10. please who can tell me how long it takes to
get the Social Securite Card and work card? and how long i have to wait to
get interview.
one thing is that i cannot find my information in USCIS website. my receipt
number is MSC*****, But when I search my case status inputthing this receipt
number, they said there is not the number in the system.
anyone can tell me how can I check my cast status?
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