I also got a computer call from this number - at 6 am on a Saturday - saying they were from some credit union, although the name was undistinguishable.  This IS a scam, do not give these people any information!

Got a call from this number saying it was Heritage Credit Union and saying to press 1 to be transferred to security as my card has been accessed by an unauthorized party.

I dont do business with any such bank - sounds like a scam to me.

I know nothing about this bank.  Be careful people, this may be  scamming.