Fiber internet built for your community.

Cornerstone Connectivity delivers fast, reliable fiber internet and telecommunications services to homes and businesses across Kentucky, Tennessee, Illinois, and Alabama. Local roots. Local team. Local commitment.

Connection that goes beyond the internet.

Cornerstone is a telecommunications company serving rural and small-town communities across four states. We invest in the infrastructure, technology, and people that will keep our communities connected for generations to come.

Technician smiles from the driver’s seat of a Cornerstone Connectivity service truck parked outdoors beneath trees.

What sets Cornerstone apart.

Technician in a blue company polo works on network equipment and fiber optic cables inside a communications rack.

Local team, local knowledge.

Our technicians, customer service representatives, and support staff live and work in the same communities they serve. When you call Cornerstone, you reach someone who knows your area.

Dependable infrastructure.

Our fiber network is built for long-term performance, designed to handle today’s demands and tomorrow’s technology without skipping a beat.

Transparent pricing.

No hidden fees, no contracts, no surprises on your bill. Every plan is straightforward from day one.

24/7 support.

Real people, any time of day. Whether you have a technical issue or a billing question, we’re here when you need us.

Community investment.

Our success is measured by the health of the communities we serve, not a bottom line in a corporate boardroom.

Built for business, too.

Cornerstone serves more than just households. From small storefronts to growing operations, we offer business-grade fiber internet, security, and voice solutions designed to keep your team productive, your data protected, and your customers connected.

Two coworkers collaborate over a laptop in a modern office, reviewing information on the screen. A woman wearing glasses gestures as she explains a point, while a man leans in attentively.

What our customers say.

“Very impressed; the CSR was extremely friendly and knowledgeable, the installers showed up when scheduled, they stayed in touch and followed up to ensure my satisfaction. I’m loving my home wi-fi service!”

“Simple person to person communication. No long menus to click through. Thank you. Please continue to keep it real.”

“No one else compares to the quality of their service.”

Rooted in community. Built for the future.

Cornerstone was founded on the legacy of two telecommunications companies with a combined century of service to rural communities, communities that larger providers consistently overlooked. We’ve invested millions in fiber infrastructure, secured federal grants to reach underserved areas, and built a network that gives our customers access to the same technology available anywhere in the country.

That history shapes everything we do. And it’s why we take the responsibility of serving our communities seriously.

Ready to get connected?

Cornerstone makes it easy to find the right plan, get set up quickly, and stay supported every step of the way.