Who called from 5713029387

This number has called several times in recent days, I answer & they hang up.  I don't answer and they call back.

Called. Left no message.

A robocall from Family Savings and they want your credit card in order to cover a $3.00 fee so you can receive a $100 gift card. A search shows this number to be from Arlington, Virginia. A mobile number using Partnership dba Verizon Wireless - VA with a spam score of 97%.

Keeps calling, doesn't leave message.

I'm in CA. One ring only. Blocked