Who called from 2106667481

4 times yesterday, and when you block it, the call comes from a similar number...!!!!!
I don't pick up the phone, it's on the caller ID

there are 2-3 times call from 2106667481 , A guy with indian accent  answered when i picked up, He saying about order of wifi?  even I already have wifi connection for a longtime,
when i asked remove the phone number he said "NO".
what a

Unwanted call

This outfit calls EVERY NIGHT. Never leaves a message. I never pick up the call.

Got a call from "Kevin Gray" from "US SOLAR" from this number.  He wanted to send an inspector to my single family home in Manhattan.  (There are very few single family homes in Manhattan).  He said he was 21 years old and in Ohio, but had an Indian accent so thick I could barely understand him.  I started talking dirty to him.  He got flustered and hung up.  When I called the number back, it says not in service.