On Jan 18 around 6pm I get a text saying "Heyy :P" from 1-443-354-4219. I reply 'who is this?' It responds, "How about we chat on y! IM Screen-name is serenityflirter15" I responded 'no'. Havent gotten anything from this number since. Weird.

Got a text that said Hii !!
I ignored it. My guess....trying to validate phone #'s

I just got a text from that number and when asking who it was, I got no response??

Texted me...but would not directly converse with me....no direct answers.