New Quantum Fiber customers
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Quantum Fiber Customer Service
Welcome to Quantum Fiber Customer Service. We're here to answer your questions.
Current customers
If you’re a current Quantum Fiber customer and you need assistance, we’ve got you covered.
View support topics: Quantum Fiber Support Topics
Visit Our Support Page: Quantum Fiber Support
Top Quantum Fiber Internet customer service needs
Quantum Fiber Internet® plans—fast and reliable
Fiber internet plans leave breathing room even at the busiest hours on your home network.
Great for everything larger households love to do online
Limited availability. Service and speed in select locations only.
Choose this speed to maximize the internet connection for your entire large household. Work online in the home office while the young kids stream in HD in the family room and the teenagers play the latest multiplayer game.
Great for device-packed households with interests all over the map
Limited availability. Service and speed in select locations only.
Choose this speed if multiple people in your home spend hours a day online, hosting video meetings, running multiple games, streaming movies in 4K UHD, or backing up large files to the cloud.
Great for households that love gaming and streaming
Limited availability. Service and speed in select locations only.
Choose this speed to handle streaming in HD at the same time someone else plays on their favorite gaming console—and everyday activities such as email, social media, and basic file downloads.
Great for getting online at an affordable price
Limited availability. Service and speed in select locations only.
Choose this speed for fiber internet that’s reliable for single-person or small households. Surf, stream, shop, and do the online basics on a reliable connection at an affordable price.
Frequently asked questions
How do I contact Quantum Fiber support?
You can speak with a Quantum Fiber support representative by going to QuantumFiber.com/support.
What is the Quantum Fiber customer service phone number?
For new customers looking to order a new service, check availability, or learn more about Quantum Fiber, the Quantum Fiber customer service number is 833-922-7712. For existing customers who want to upgrade a current plan, move your service, or manage your account, go to QuantumFiber.com/support.