Why would my ex give me his new number?

Tobe1
So me and my ex broke up a while ago, and things b/w us were awkward. we tried being friends we still are just not like the good friends we were before we dated of course. So during that time he got a new phone and a couple days ago he wrote down on paper and by the way text me (: and wrote down his new number. So is this his way of saying hey I want to be friends again? But I'll leave it up to you.
Why would my ex give me his new number?
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