Not receiving a Two Factor Authentication code to phone to sign in

I am trying to sign in to Zoom and have 2FA enabled - it is supposed to send a code to my phone. But it has stopped doing this - no code is being sent. The phone number is correct, the phone has received text message codes before, it is a paid subscription, I have uninstalled and installed Zoom on both my laptop and phone, and still no success to get access to my Zoom account. I dont know what to do anymore.  I can't get into my account to turn the 2FA off. I have tried signing in with Google. The 2FA is the block. Any suggestions.