How can we help?


FAQs
For answers to commonly asked questions about Comcast Business Class products and services, select from the categories at the left.
For 24/7 Comcast Business Class support, call 1-800-391-3000.
- Press 1 for business then enter your zip code.
- Press 1 for trouble with your service.
- Press 2 for billing issues.
- Press 3 for changes to your service,
- Press 4 for sales.
- Press 5 for other issues.
Glossary
We’ve done our best to keep the tech jargon to a minimum, but if we’ve used a term you’re unfamiliar with, you can probably find the definition here.