The internet and phone provider Comcast has confirmed it has suffered a huge service outage – with reports of problems stretching from coast to coast.

The Philadelphia-based company, said to be the the second largest broadcasting and cable television firm in the world, told users it was working to restore service as soon as possible.

“Hello, we apologise for the inconvenience,” it said to one user asking for information. “Use this link to send a DM to our Digital Care Team for assistance.”

Reports suggest the outage is primarily affecting the company’s cable service, but telephone and internet services were apparently also affected in some areas.

The company did not immediately respond to enquiries after the breakout at 2pm EST on FridayComcast, which was founded in 1963, is said to have 23.3 million internet subscribers and 11.5m phone customers.