A Side-by-Side Comparison of AT&T Internet and CenturyLink Internet Service in 2021
Based on our research, AT&T and CenturyLink are among the top internet providers in the U.S. that offer DSL, IPBB, or fiber broadband coverage along with high speeds. Both offer phone and/or TV services in their bundles, which may be a more affordable deal for customers. AT&T ranks second as the largest DSL provider while CenturyLink ranks third. For those who fall out of range for their fiber internet services, they can opt for their DSL or IPBB internet which has more widespread availability. While AT&T and CenturyLink share a few similarities, we’ve noted some key differences below.