My guess is that you're NPD, and there is pretty much nothing that anybody can say that will make you think of anybody BUT yourself right now (or ever, for that matter). Yeah, let's just say I grew up with two narcissists, and nope, there is nothing that can ever be done to get them to stop thinking "me, me, me".

I hate to break it to you, but he may have blocked your number a looooong time ago, in which case, he's getting none of your texts.

Its time to move on and stop playing the victim. I can see plenty of reasons why he bailed, just based on your post alone. Please get into therapy and work on yourself rather than unfairly placing your own need for happiness in the hands of others.