Century Link is the current name of USWest/Qwest which was one of the Baby Bells from the breakup of Bell Tel.
USWest and Qwest in turn discredited their brand name with poor service.
Oh, I remember Qwest, we had that for a few years before Frontier. Qwest was horrible and Frontier has not been a whole lot better. I don’t know how many times I have literally screamed at their customer service.
Charter is no better