Local Service, National-Caliber Innovation
LARGEST BROADBAND PROVIDER
LARGEST TELECOM PROVIDER
LARGEST CABLE TV PROVIDER
Who We Are
With a service area of 4160 square miles and over 134,000 customers served, Comporium is large enough to offer cutting-edge technology but small enough to offer superior customer service. Day in and day out, our workforce of over 1000 employees strives to make your life easier. For over 125 years, we’ve been a telecommunications leader in the Carolinas with our diverse, technologically rich suite of products and services. Our innovative solutions include broadband, TV, voice, wireless, smart home systems, and advertising services. Additional ventures include companies providing business solutions, data storage and managed services, digital signage and smart devices, and connected home services. Learn more about our corporate history.
Headquartered in Rock Hill, S.C., Comporium provides services in York, Lancaster, and Chester Counties in Upstate South Carolina; parts of six counties in the Midlands: Lexington, Saluda, Edgefield, Orangeburg, Calhoun and Aiken; and Transylvania County, N.C. Additionally, Comporium offers a comprehensive suite of business communications equipment and service options in Charlotte, N.C and Spartanburg, S.C., plus residential services in Charlotte and Union County, N.C.
John M. Barnes Jr.
More About Comporium
Community involvement isn’t just something we do. It’s who we are. See how we're making a difference.
In the News
Get the latest updates and announcements on our services and community impact.
Take a walk through 125 years of history at the Comporium Telephone Museum in Rock Hill, S.C.
To see where we’re going, take a look at how far we've come. Innovation is in our DNA.