Who called from 3123400860

Didn't recognize the number, so blocked it.

Called no message

called 11/12/15. left no message. similar number to 312 340 0672 that calls a few times a week. more scams...

Free tip to the bahamas calls,calls, blocked, blocked,get these calls everyday from different numbers all for free trips,,, how come these calls cant be stoped ??????
I have 200 0r 300 at least blocked from the same caller,,,same voice ????Same add ????

Missed call. Wouldn't have answered anyway. No message left. Called at 0859 on 11/13/15. Showed "Chicago, IL"