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The world of broadband technology is constantly evolving with new and exciting discoveries leading the way for faster and more secure internet connectivity. Capable of supporting multi-gig speeds, Fiber is the latest advancement making waves in the world of high-speed internet. But, where Fiber has changed the landscape of internet connectivity, it has a downside, which is its limited availability. While this too is changing with more providers investing to upgrade network infrastructure, and extend the reach of fiber optic lines to more locations, it will be some time before fiber internet becomes readily accessible.

Quantum Fiber, formerly known as CenturyLink Fiber, is arguably one of the best fiber internet services in the country. Available in parts of 16 states, the re-branded service from Lumen Technologies delivers a 100% fiber internet connection to your home.

In this article, we discuss the recent CenturyLink-Quantum Fiber transition, and what the service has to offer―read on to learn more.

CenturyLink-Quantum Fiber Transition: What This Means for Users

“Is Quantum Fiber CenturyLink?” That’s quite a common query these days in parts of the U.S. where CenturyLink Fiber has had a footprint. If you have not kept up with changes in the industry you may also have the same question. So, let us break it down for you.

In 2020 CenturyLink rebranded itself as Lumen Technologies, and dedicated the CenturyLink brand name to its legacy Copper-based service for homes and small businesses. Quantum Fiber was chosen as the new brand name for the pure fiber internet service formerly known as CenturyLink Fiber. And so, both brands, each with its distinct identity, started to operate from the common platform of Lumen Technologies.

However it was not until more recently the Quantum Fiber service came to replace the outgoing CenturyLink Fiber in as many service locations. The reason why the common intrigue around the changing of brand names, and the need to understand what this entails for the consumer.

Scroll down to take a look at how this transformation could affect you―whether you’re a potential or existing CenturyLink Fiber customer.

How Is Quantum Fiber Different from CenturyLink Fiber

Quantum Fiber is 100% fiber optic internet just like CenturyLink Fiber―however Lumen has designed the rebranded service to deliver a premier experience over its already trusted network. Here is what existing CenturyLink Fiber customers can expect to enjoy as and when they make the transition:

  • Quantum Fiber is a prepaid service that does not require any credit checks or bills that you must remember to pay every month
  • Your payment options include not just credit/debit cards but PayPal and Apple Pay
  • 24/7 access to the fully online Customer Success Team means you can get the help you need at the time you need it
  • The Quantum Fiber App is a powerful tool that puts control of your subscription in your hands―you can pay, chat, get real-time updates about the service, personalize your network, and manage things via the simple, and easy-to-use app.

What More Is There for New Quantum Fiber Customers

Besides the premium features listed above, here is what else you can expect to enjoy with Quantum Fiber as a new customer:

  • 99.9% network reliability, no peak traffic time slowdowns as with Cable
  • Equal upload and download speeds―uploads are 20 times faster than Cable
  • More bandwidth & low latency courtesy the Fiber-to-the-home connection
  • Unlimited data, no overage fees and no speed throttling
  • No annual contracts are required―you start paying at the standard rate on a month-to-month basis, and there is no early cancellation fee to pay if you cancel the service at any point

Quantum Fiber Plans & Prices

Quantum Fiber is the best choice wherever accessible, not only for the reasons we’ve listed above, but more. The service is designed to be simple and pricing is kept transparent. Instead of complicating things with multiple speed tiers and several plans, some available here and some there, Quantum Fiber keeps things straightforward. As it was with CenturyLink Fiber, the service offers 2 speed-based plans for residential consumption―take a look:

Quantum Fiber
  • Quantum Fiber (Formerly CenturyLink Fiber Internet)
  • Up to 200 Mbps*


*In select markets. Speed may not be available in your area. Paperless billing is required. Taxes and fees apply

Order NOW!


Quantum Fiber
  • Quantum Fiber Gigabit (Formerly CenturyLink Fiber Internet)
  • Up to 940 Mbps*


*In select markets. Maximum download/upload speed of up to 940 Mbps via a wired connection. Paperless billing is required. Taxes and fees apply

Order NOW!


*Data effective as of publish date. For the latest plans and prices in your area, call 855-349-9310.

Here it is worth mentioning, if you choose to lease the Quantum Fiber WiFi equipment, it will cost you $15/mo. in rental cost. The 360 WiFi set up includes a router and pods for access to wireless connectivity around the house, and also the added benefit of advanced security protection.

The current Fiber Gigabit offer includes the WiFi setup at no extra cost. Whereas professional installation is included in the price for both plans, which is a big plus.

Is Quantum Fiber Right for You?

For small to mid-sized households, Quantum Fiber offers 200 Mbps for just $30/mo. In some states this plan is priced at $49.99/mo. Perfect for households with a few connected devices and moderate usage, it offers Fiber-fast speeds and unlimited data at an excellent price. If however you find it will not be able to keep up with your internet usage, you can consider the Quantum Fiber Gigabit plan.

For households with power users―passionate gamers and entertainment enthusiasts who love to stream TV―Quantum Fiber Gigabit offers internet speeds up to 940 Mbps for $70/mo. In some states, this plan is priced at $65/mo. Gig speed internet is also perfect for smart homes with multiple smart devices such as cameras, lights, thermostats etc., and for families where adults work from home and kids learn online. More upload power means you can upload heavy files without glitches, and your video conferences will be seamless.

Where Is Quantum Fiber Available?

As we said earlier, Quantum Fiber is available in parts of 16 states where CenturyLink also delivers its high-speed DSL. At this time, the Quantum Fiber footprint may be limited, but with ongoing expansion, as confirmed by a Lumen spokesperson, you can expect coverage to increase in the near future. Here is the complete list of Quantum Fiber states:

Arizona Montana Oregon Colorado
Nebraska South Dakota Florida Nevada
Utah Idaho New Mexico Washington
Iowa North Dakota Wyoming Minnesota

Switching from CenturyLink to Quantum Fiber

Existing CenturyLink Fiber customers only need to speak to the Fiber Success Team, and follow the unique link provided by the staff to make the switch.

If however you are not an existing customer, but would like to subscribe to Quantum Fiber in your area, speak to the experts. They are available around-the-clock to help you with details of plans and prices in your area, and to take your order.

Quantum Fiber

Check Quantum Fiber Availability Your Address & Order TODAY

Concluding Words

There is no denying fiber internet offers unparalleled performance. And, Quantum Fiber, formerly CenturyLink Fiber, brings you to the advantage of Fiber-fast speeds at an excellent price. Not only you get the best price, the terms and conditions are anything but restricting. If you wish you can bundle with the home phone service, but it is not a prerequisite to get the best price on internet.

Quantum Fiber Internet reviews tell the Gigabit plan is particularly popular among customers. It’s a value-packed offer that includes secure WiFi in the price, and delivers a great speed to cost ratio at about 7 cents per Mbps. So, if yours is a household that requires the best performing internet, and the service is available at your address, narrow your list of options down to Quantum Fiber.

We hope this CenturyLink-Quantum Fiber review helps clarify the confusion you may have had about the “new service”, and you’re able to choose better for your home.

Frequently Asked Questions (FAQs)

Is Quantum Fiber CenturyLink?

Quantum Fiber and CenturyLink are two different brands owned by the same parent company, Lumen Technologies. CenturyLink continues to deliver the legacy Copper-based internet service whereas Quantum Fiber (formerly CenturyLink Fiber) delivers a 100% fiber optic internet connection. 

Is Quantum Fiber unlimited?

Yes. Quantum Fiber service plans offer unlimited data. There is no overage fee or speed throttling. For details on Quantum Fiber plans and prices call at 855-349-9310.

How do I contact Quantum Fiber customer service?

You can contact Quantum Fiber customer service at 855-349-9310. For the Spanish speaking you can call at 844-527-5629. Representatives are available 24/7 to help you with checking service availability, offers and more.

Is there a contract with Quantum Fiber?

No. Quantum Fiber plans do not require you to sign an annual contract. You pay at the standard rate on a month-to-month basis from the start. There is no early cancellation fee if you wish to terminate the service at any point.

How much is Quantum Fiber installation?

Current Quantum Fiber offers include installation in the price. If however it is determined construction may be required at your specific address, you could incur an upfront charge. Your approval will be required prior to installation.

What is the best number for CenturyLink customer service?

You can contact CenturyLink customer service is at 855-349-9310.

How do I get a human at CenturyLink?

You can speak to a CenturyLink customer service representative at 855-349-9310.