AT&T — the largest U.S. fiber internet provider — is known for its reliable fiber network offering equal upload and download speeds up to 5,000 Mbps (5 GB).* These fast download speeds make AT&T fiber ...
Spectrum offers wider availability, covering 41 states, while AT&T Fiber is available in 21 states. AT&T Fiber provides faster symmetrical speeds up to 5 Gbps, whereas Spectrum's maximum speed is 1 ...