Who called from 7147769650

The same thing happened to my mother. They called her cell number asking for me.

10/15/14 15:26

I get at least one call a day from this number. If you call it back it's disconnected. ??/

been getting calls from the 776 numbers and no one answers.  Also called it back and it's disconnected

Getting calls, getting annoyed.  Block one 776 number, get called by someone else.  what's going on?

Several calls a week and no one speaks