How long does it take your credit score to go up 60 points?

I recently paid off a few collection items and some normal revolving accounts so that my credit would look better to buy a house. I paid all the collection items off first in the early part of August and then the revolving items to very low balances in early September. My credit is now showing almost everything... show more I recently paid off a few collection items and some normal revolving accounts so that my credit would look better to buy a house. I paid all the collection items off first in the early part of August and then the revolving items to very low balances in early September. My credit is now showing almost everything except the revolving and one collection. I'm at 585 now (started 517). I need a 620 or better to get a loan. How long does this take? I'm scared that the house we are looking at might be gone. Just to be safe I would like my score to be in the 630's. Please help.
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