Who called from 4320005367

Message about my credit card saying that I now had a lower rate, tellling me to push 1 for my lower rate. I hung up.  Who is this and why are they calling?

Called and left no message-I call blocked. tried to call back the # and was told "number not recognized"

Message left on machine about my credit card account saying that I now had a lower rate, tellling me to push 9 for my lower rate.  That's when my husband ended the call. Came up on Caller ID as follows:
TEXAS CALL
432-000-5367

Called today.  We have an unpublished number.  Why am I getting this call?