We are here to help!
If you are an existing subscriber, you can contact support by phone, email or chat:
Phone: 719-223-7001
Email: support@underline.com
Chat: Log in to your Underline account at app.underline.com and navigate to Support
If you are looking for help signing up for residential internet:
Phone: 719-465-0487
If you are looking for help signing up for business internet:
Phone: 719-627-3304
Email: business@underline.com