Just got a call today also. Caller ID said "Castor C." Allowed answering machine to take the call. They hung up without leaving a message. This was around 6:15 p.m. EST.
From switchboard.com:
1-972-394-3200
Verizon Landline in Carrollton, TX
Associated with
Curtis R Caster50-54 years old
Address
2017 Robin Hill Ln
Carrollton, TX 75007-1612