I found 310-953-0101 is registered to a company called USHOPFAST. the website is defunct.
BBB lists them with an "F" rating
(Usually BBB only gives "A" or "A+" to companies who pay BBB for the good rating)
From earlier comments her, it might be that some other scammers have grabbed the number, or the owners Harry Yeh - CEO, Terrance Wong (President & COO) have moved on to trying to make money off of us with their Google SEO scam.
Needless to say, I didn't go further with this call.