Who called from 4048471080

this is at&t calling you back if you had a service call set up....

It is AT+T Repair calling back in response to a trouble ticket opened by the customer.  They call back from this number to give the customer updates on repair tickets.  They are calling you at your number, because it is the number you provided when you called to report trouble with your landline, cell or wireless Internet.

AT&T called me from this number to follow up on a technical support issue that I had. They did leave a message.

The caller was from AT&T wireless support following up on support call.

It's AT&T. It's legit!