Numbers with this prefix were first introduced in 2013.While 5516664811 was originally issued with the info above, the owner of the phone number (551) 666-4811 may have transferred it through a process called porting.
Caller name: Not Assigned
Caller type: Unknown
I've gotten dozens of calls from this number. When I answer, no one speaks and there is no recording.
I had blocked this number on my Optimum phone list a month ago and I still receive calls!