(833) 223-7675 Subscription cancellation scam

The number (833) 223-7675 left me the following text message twice:

Dear Valuable Customer We would like to inform you that your computer security subscription with COMPUTER HELP TECHNICAL SOLUTION SERVICES INC. is goingto be expire in next 24 hrs. as you subscribed with us computer security in 2016. Your subscription will be auto renewed in next 48 hrs, by the amount of $299.99 In order to cancel your subscription. You Need to dial ( +1833-223-7675 Or +1315-636-5869 ) Regards, Billing Team (COMPUTER HELP TECHNICAL SERVICES INC)

Not sure if this is refund scam or tech support scam.

no answer cant verify