i3 Broadband
i3 Broadband is proud to offer the fastest, most reliable fiber internet, Wi-Fi, and streaming to homes and businesses across Illinois and Missouri.
My Account | i3 Broadband
i3 Broadband Account Login: User Name: Password: Forgot Username / Password, or Need Username CLICK HERE
Fiber Internet Plans and High-Speed Internet Offers - i3 Broadband
At i3 Broadband, we are passionate about helping customers find home internet that exceeds expectations for speed without the steep price tag. We have your back with fiber internet service …
Support | i3 Broadband
Have a question? We've got answers! i3 Broadband offers fast and reliable technical support. Our goal is to assure you can enjoy using our services with minimal frustration. That’s why we offer detailed …
Contact Us - i3 Broadband
At i3 Broadband, we're here for you! Let us know how we can best support you by filling out our contact form, sending us an email or giving us a phone call.
Residential Signup | i3 Broadband
Let's Get Started Enter your address below to see if the i3 network is available.
About Us | i3 Broadband
Learn what sets i3 Broadband apart from other fiber internet providers. View our company's history, commitment to safety, community promise, and more here.
Welcome to i3 Broadband | i3 Broadband
i3 Broadband Welcome Kit ILMOcustomers_WelcomeKit_AUG2025v2.0Download
Insanely Fast Fiber Internet (Northern Illinois) | i3 Broadband
Northern Illinois! 8 Gig symmetrical speeds are here. It's time to Gig UP & Get MORE with i3 Fiber from i3 Broadband. Check your availability today!
Insanely Fast Fiber Internet in St. Louis, Missouri - i3 Broadband
Looking for a fiber internet provider in St. Louis? Partner with i3 Broadband for speeds 300x faster than most cable or DSL services. Contact us today!