Fiber Internet in Missouri

From St. Louis neighborhoods near the iconic Gateway Arch to growing areas in St. Peters, discover what 100% fiber-to-the-home can do for your daily life. i3 Broadband brings high-speed fiber internet in Missouri directly to your door. Our dedicated underground network delivers the performance modern households demand, backed by a local team that treats you like a neighbor. Enter your address below to check availability.

Say goodbye to buffering and hello to

Seamless experiences that

give you more!

i3's risk free guarantee includes no contracts, free installation, free activation, free tech visits, 30-day money back guarantee, up to $300 contract buy-out credit and no data caps

Switching internet providers in Missouri has never been simpler. Our up to $300 contract buyout credit eliminates the financial barrier, covering early termination fees from your previous provider. That means you can make the move to better internet on your schedule.

Our professional installation team handles the entire setup at no cost to you. From running the fiber line to optimizing your whole-home Wi-Fi, we take care of everything so you can start enjoying faster speeds right away.

True Fiber-to-the-Home (FTTH) means i3 Broadband runs a direct fiber-optic connection into your home. This dedicated line ensures you get consistent speeds regardless of how many neighbors are online.

Symmetrical upload and download speeds set fiber apart from traditional cable connections. Upload files to the cloud instantly, join video meetings with confidence and stream content on multiple devices at the same time. This technology supports how you actually use the internet today. Our support team is here to help with any questions about our service.

In local markets, i3 Broadband offers speeds ranging up to 8 Gig, depending on your location. Most households perform best with at least 1 Gig, which handles streaming on multiple TVs, remote work, gaming and everyday browsing all at once. 

Every fiber internet plan includes benefits designed to make your experience better:

  • Up to $300 contract buyout credit: We cover your early termination fees.
  • Free installation and activation: Professional setup at no charge.
  • Unlimited data: No caps means no overage fees.
  • Flexible service: No long-term contracts required.
  • 30-day money-back guarantee: Try us risk-free for 30 days.
  • Free tech visits: As a local internet service provider, we provide in-person support.
  • Local knowledge: Our team knows your community.
  • Save $10 per month: Enroll in auto-pay and paperless billing for savings.

Serving Your Community with Reliable Fiber

i3 Broadband is expanding across Missouri, connecting homes and businesses with the internet infrastructure they need to succeed. Our network serves the greater St. Louis area and surrounding communities. We're committed to bringing reliable connectivity to more neighborhoods. 

Your Local Partner for Better Internet

i3 Broadband offers more than infrastructure. We're your neighbors, invested in the same communities where you live and work. Our team provides responsive service, transparent pricing and the reliable connectivity you need every day.

Ready to check availability? Enter your address to see which speeds we offer at your location or reach out to our team for more information.

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