There is SMS support with most of Callcentric’s US phone numbers, however – the problem with that is there is a monthly fee, and a per SMS received/sent cost. If your SMS message is 161 characters, then you will be charged for 2 SMS messages due to the limit of 160 characters for SMS. You would also have to download their app which means a whole another program to work with. So while it might support SMS, the question is it worth it? I would leave your SMS message to your cellular plan which I am sure you have one.