I don't know where my Boyfriend is!!!!?

My head has been spinning the last couple of days because i haven't heard anything at all from my boyfriend, We are in a long distant relationship we have been together for almost a year and have been good friends for 4 years. Last I heard from him was this pass Saturday, he sent me his morning text like he always does and he told me him and a few friends from work were talking about going to a concert that night and getting a hotel but he wasn't for sure yet.

later that day i texted to see if he was going or not and he text back saying they already left and hes sorry for not letting me know. i told him to have fun and that i will talk to him whenever. He never text back which is not like him at all but i figured hes with his friends so there having fun.

Sunday rolls around I texted him saying good morning and that i love him and miss him and i heard nothing back at all that day.

Monday comes around i knew he had work that day and he calls me every day on his break so i waited around for him to call and never heard anything, this was so unlike him so i started to worry. I texted his phone asking if hes ok i never got a replie back.

A few hours went by and my phone rings saying hes calling, i didn't answer because i was at work but it said there was a voice mail so i called to check it and it ended not even being him, it was some guy that said he found this phone in the parking lot of where the concert was and he was just looking to get it back to the person. while i was listening to the message he called again i switched over and it was the same guy i told him i could text him his address he said for me to text him on his cell because my boyfriends phone is going dead, so he gave me his number i texted his address.

I felt so relieved Knowing he just lost his phone that's why i haven't heard from him. But still kinda worried because when he lost his phone before he always found a way to call me and let me know.

Tuesday comes around and i was just thinking and i looked in my call log and that number the guy told me to text the address to has called me before, which was my boyfriend calling about a week prior to this pass weekend. I was and still am so confused as to what is going on. This is not like him at all, we communicate with one another no matter what. There has been times before where he lost his phone and he always finds a way to call me even if its not his phone, we have yahoo messenger just in case and he has yet to log on. I don't know what to think, I don't know if hes ok or not. Iv called his phone since then and it rang once and went to voice mail. iv been crying my eyes out about this situation and want to know what i should do?? Any suggestions??