Caller ID identifies as " Adam Thousand"

Caller ID said "William Bland L".  No one on the other end of the line.

Caller ID: WILLIAM BLAND L
Computer voice left msg: "Sorry we missed you. We have an important message for you."
Given the caller's failure to identify and lack of a call back number, I strongly suspect this is a phishing operation attempting to find valid numbers attached to a human being willing to answer.

recording message about carpet cleaning, I hung up.

Computer voice left msg: "Sorry we missed you. We have an important message for you." Caller ID was William L Bland. Bland is spooky in connection with Warren James Bland (Phoebe Ho, 1986).