I received the same text.  It is a scam.  Do not call.

Got the same message, but all my cards seem to work. I also just called and typed in random numbers as all the info, which afterwards told me the card was activated. Sounds like a scam to me

Received notice from 13366984415@txt.att.net MSG: As part of our security measures, the bank decided to flag your debit card.  Call now at 1-336-698-4414 and unflag your card.  Ths appears to be a scam...attempting to get you to provide you debit card number.