Who called from 9102077821

The caller pretend to be IRS. I think they are cheater.

Left random message about a case file.

This number called total 4 times today. First 2 times has no message. 3rd time said, " Call is officially a final notice from irs internal revenue services the reason of this call is to inform you that I rs is filing lawsuit against you to get more information about this case file, please call immediately on our department number (910) 207-7821. Thank you. "
4th call left message, " Is filing lawsuit against you to get more information about this case file, please call immediately on our department. (910) 207-7821. "
It is IRS scams.

How can I block this number. Got seven calls in one day, 5 they hung up and 2 with a recording saying the IRS is filing a law suit against me?

IRS scam.