Comcast to Double Speeds of Two of Its Most Popular XFINITY Internet Speed Plans in Colorado at No Additional Cost DENVER--(BUSINESS WIRE)-- Comcast, the nation's largest Internet service provider, ...

Comcast today said it will increase Internet speeds for some of its customers in the Northeast at no extra charge. Those who subscribe to Comcast's Blast tier will get a bump from 105 Mbps to 150 Mbps ...