See my list of 480 JERKS below that robocall, call repeatedly, call and hang up on my answering machine or me. This 480-320-2677 is part of a group of numbers that call for credit cards. Here is the group and they are all hang up calls.
480-320-2628 UNKNOWN hung up on ans mach
480-320-2634 UNKNOWN hung up on and mach CC Processing
480-320-2635 UNKNOWN hung up on ans mach
480-320-2677 UNKNOWN hung up on ans mach
480-320-2689 UNKNOWN hung up on ans mach