Spectrum (was Charter Communications) might experience an Internet outage on occasion, but their services are not limited to just broadband access and also include cable television and home phones. Spectrum looks after customers in around 25 states across the United States.
The Spectrum outage map can be accessed with the contact details on this page and the phone number is found also to the right for desktop users. You can also run tests with a speed test from the customer service section of Spectrum, again follow links on this page.
If you are currently seeing an outage, then leave your location and details about Spectrum down in your area within the status report section.