Comcast has introduced two flat-rate Xfinity Mobile plans, replacing multi-line discounts with fixed per-line pricing. The shift comes as the company prepares to report lower first-quarter profits, ...

Amid fierce competition, Philadelphia-based Comcast is among the cable and wireless providers offering price-lock guarantees to retain existing subscribers and attract new ones, writes Patience Haggin ...

The nation's biggest cable companies, including local provider Comcast Corp., are boosting their rates by single-digit percentages, citing rising costs for programming and investment in new services.