What should I do?

So my ex dumped me about two weeks ago and we were engaged.
He deleted me from FB plus deleted any photos that I was in on his FB and avoids me but still has my cell number in his contacts and since he text me today about coming to get something but I ignored it and he text me again and then tried calling me since I wasn't answering. What's the point in keeping my number if your gonna dump me, delete me off social media and photos of me? Should I tell him to screw off?
What should I do?
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