Got the same text. Called up the real City Credut Union to check if someone had an account in my name. They said it's definitely a scam and to alert anyone else that got the txt that they are trying to fix the problem. Am an AT&T customer.
I'm a former At&t customer - but kept the same number when I switched companies. Hmmm... Interesting. Glad some of you called on it. I got the same thing a few minutes ago.