Contact Us  Cobalt provides high-speed wireline and high-speed wireless data services. We use advanced technology to bring high-speed access to major metropolitan areas, as well as to those locations that currently have challenges receiving any type of affordable high-speed service. We provide products, services and applications for business and residential customers with an emphasis on affordability, security, scalability, quality and reliability. Business Offerings See what we have to offer your small, medium or large business. Residential Offerings See what that we have to offer for your home. Have A Question? Chances are we can answer your question right here. About Us Our history; our people. Business Residential FAQs About Cobalt