CenturyLink Internet in Colorado: Plans, Pricing & Coverage (2026)
Quick Answer
CenturyLink offers both fiber (branded as Quantum Fiber in select areas) and DSL internet service in Colorado. Fiber plans deliver speeds from 200 Mbps to 2 Gig with a price-for-life guarantee, while DSL is available in areas where fiber has not yet been deployed. CenturyLink covers approximately 70% of Colorado addresses with DSL and 35% with fiber service. To check availability at your address and order service, call 1-855-228-8741.
CenturyLink Internet Plans Available in Colorado
CenturyLink offers several internet tiers in Colorado, though not all plans are available at every address. Fiber plans are limited to areas where CenturyLink has deployed its Quantum Fiber network, while the Simply Unlimited DSL plan is more widely available. Here is a breakdown of current CenturyLink plans you may find in Colorado:
| Plan | Technology | Download Speed | Upload Speed | Monthly Price | Contract |
|---|---|---|---|---|---|
| Simply Unlimited | DSL | 100 Mbps | 10 Mbps | $50/mo | None |
| Fiber 200 | Fiber | 200 Mbps | 200 Mbps | $50/mo | None |
| Fiber 500 | Fiber | 500 Mbps | 500 Mbps | $60/mo | None |
| Fiber 940 | Fiber | 940 Mbps | 940 Mbps | $65/mo | None |
| Fiber 2 Gig | Fiber | 2,000 Mbps | 2,000 Mbps | $110/mo | None |
To verify which plans are available at your specific Colorado address and to order service, call CenturyLink at 1-855-228-8741. A representative can confirm fiber or DSL availability and help you select the right plan for your household.
CenturyLink Provider Overview
- Parent Company: Lumen Technologies (NYSE: LUMN)
- Fiber Brand: Quantum Fiber
- Technologies: Fiber-to-the-home (FTTH) and DSL
- Contract Required: No contracts on any residential plan
- Price Lock: Price-for-life guarantee on qualifying plans
- Equipment: Modem/router included (or bring your own)
- Data Caps: No data caps on fiber plans; 1.25 TB on DSL
- Service Area in Colorado: Denver, Colorado Springs, Aurora, Fort Collins, Lakewood, Thornton, Arvada, Westminster, and surrounding communities
- Customer Service: 1-855-228-8741 (available 7 days a week)
CenturyLink Coverage and Availability in Colorado
CenturyLink's service footprint in Colorado spans 70% of addresses with at least DSL availability and 35% with Quantum Fiber. Coverage is concentrated in the state's population centers, with more limited availability in rural areas. The following Colorado cities have confirmed CenturyLink availability:
- Denver - Fiber & DSL
- Colorado Springs - Fiber & DSL
- Aurora - Fiber & DSL
- Fort Collins - Fiber & DSL
- Lakewood - Fiber & DSL
- Thornton - DSL
- Arvada - DSL
- Westminster - DSL
- Pueblo - DSL
- Boulder - Fiber & DSL
Colorado is one of CenturyLink's flagship Quantum Fiber markets. The Denver metro area has seen extensive fiber-to-the-home deployment, with neighborhoods in Denver, Aurora, Lakewood, and the surrounding suburbs gaining access to gigabit and even 2 Gig service. Colorado Springs and Fort Collins also have growing fiber footprints. The state's tech-forward culture and high concentration of remote workers has fueled strong demand for symmetrical fiber connections.
As a former Qwest and US West stronghold, Colorado represents CenturyLink's most mature fiber market, with Denver consistently among the first cities to receive new Quantum Fiber tier upgrades and speed improvements.
Coverage can vary block by block, especially in areas where fiber deployment is still in progress. The best way to confirm whether CenturyLink serves your specific Colorado address is to call 1-855-228-8741 and have your full street address ready. A representative can tell you exactly which plans and speeds are available.
Speed Analysis: CenturyLink Performance in Colorado
Understanding real-world internet speeds versus advertised maximums is critical when choosing a plan. CenturyLink's speed performance in Colorado depends primarily on whether your address receives fiber or DSL service.
Fiber Performance in Colorado
Colorado is among CenturyLink's stronger fiber markets, with Quantum Fiber available in Denver, Colorado Springs, Aurora, Fort Collins and expanding into additional neighborhoods. Customers on fiber plans consistently report speeds very close to advertised rates, with typical download speeds of 180-195 Mbps on the Fiber 200 plan and 880-940 Mbps on the Fiber 940 plan.
DSL Reality Check
DSL performance in Colorado varies more significantly. Customers close to CenturyLink's central offices or remote terminals may achieve the full 100 Mbps on the Simply Unlimited plan, while those at greater distances from network equipment may see speeds in the 20-60 Mbps range. This distance-dependent degradation is inherent to DSL technology.
A practical tip for Colorado customers: before committing to a CenturyLink plan, ask the sales representative at 1-855-228-8741 what the expected speed range is for your specific address. CenturyLink's system can estimate performance based on your location relative to their network infrastructure. If the estimated speed on DSL is below 50 Mbps, consider whether a competitor's cable or fixed wireless service might better meet your needs, or whether waiting for Quantum Fiber expansion to your area is worthwhile.
CenturyLink Pricing and Value in Colorado
CenturyLink's pricing structure in Colorado is built around simplicity and long-term value. All plans are available without contracts, and the price-for-life guarantee ensures your monthly rate stays the same as long as you maintain service.
In Colorado's fiber-served areas, CenturyLink's pricing is highly competitive. The Fiber 200 plan at $50 per month with symmetrical speeds and no contract is often the best value entry point for fiber internet in the state. Compared to Comcast/Xfinity, CenturyLink's price-for-life guarantee provides long-term cost predictability that can save customers hundreds of dollars over a multi-year period.
On the DSL side, the Simply Unlimited plan at $50 per month is reasonably priced for up to 100 Mbps, though Colorado customers should weigh this against cable offerings from Comcast/Xfinity that may deliver faster speeds at a similar or slightly higher price point in many areas.
Hidden Costs to Watch For
While CenturyLink's base pricing is transparent, Colorado customers should be aware of potential additional costs. Equipment rental for the modem/router is typically included in the monthly price, but premium Wi-Fi mesh extenders may carry an additional fee. Installation can be free during promotional periods or up to $99 for standard professional installation. CenturyLink does not charge early termination fees since there are no contracts, which is a significant advantage if you move or decide to switch providers. For a complete price breakdown for your Colorado address, call 1-855-228-8741.
Local Insights: CenturyLink in the Colorado Market
CenturyLink holds a strong competitive position in Colorado thanks to its established Quantum Fiber footprint. The company's no-contract, price-for-life approach resonates well with Colorado consumers who have experienced annual rate increases from cable providers. In fiber-served neighborhoods, CenturyLink often wins on value even when Comcast/Xfinity offers comparable or slightly faster peak speeds, because the total cost of ownership over two or three years is typically lower.
For Colorado residents considering CenturyLink, the decision often comes down to whether fiber or DSL is available at your address. Fiber customers generally report high satisfaction with speed, reliability, and pricing. DSL customers tend to be satisfied with the price-for-life guarantee but occasionally express frustration with speeds that fall short of the 100 Mbps maximum. Checking your specific address availability by calling 1-855-228-8741 is the essential first step before comparing CenturyLink against alternatives in your Colorado neighborhood.
Frequently Asked Questions About CenturyLink in Colorado
Is CenturyLink available in Colorado?
Yes, CenturyLink provides internet service across portions of Colorado. DSL service covers approximately 70% of addresses statewide, while Quantum Fiber is available to roughly 35% of Colorado locations, primarily in Denver, Colorado Springs, Aurora and surrounding areas. Coverage varies significantly by address, so the most reliable way to check is to call 1-855-228-8741 and provide your specific street address and ZIP code.
What is the best CenturyLink plan in Colorado?
If you are in one of Colorado's Quantum Fiber areas such as Denver or Colorado Springs, the Fiber 500 plan at $60 per month offers an excellent balance of speed and value for most households. The symmetrical 500 Mbps upload speed is particularly valuable for video conferencing and cloud backups. For households with four or more people who stream on multiple devices simultaneously, consider the Fiber 940 plan at $65 per month if available. Call 1-855-228-8741 to discuss which plan fits your usage patterns.
What is the difference between CenturyLink Fiber and DSL in Colorado?
CenturyLink Fiber (marketed as Quantum Fiber) delivers internet through fiber-optic cables directly to your home, offering symmetrical speeds up to 2 Gbps with no data caps. DSL uses existing copper telephone lines and tops out at 100 Mbps with a 1.25 TB monthly data allowance. In Colorado, fiber is available in approximately 35% of the service area, primarily in Denver, Colorado Springs, Aurora. DSL reaches a broader 70% of addresses. If both are available at your location, fiber is the clearly superior choice for speed, reliability, and long-term value.
Does CenturyLink really offer a price-for-life guarantee in Colorado?
Yes, CenturyLink's price-for-life guarantee means that the monthly rate you are quoted when you sign up is the rate you will continue to pay for as long as you maintain that same plan and service at the same address. This applies to both fiber and DSL plans in Colorado. There are no promotional periods that expire after 12 or 24 months, which is a significant differentiator from competitors like Comcast/Xfinity that typically increase rates after an introductory period. The price-for-life guarantee is one of the most consumer-friendly pricing models in the Colorado broadband market.
How long does CenturyLink installation take in Colorado?
CenturyLink installation in Colorado typically takes between three and seven business days from the time you place your order, depending on technician availability in your area. For fiber installations, a technician will need to visit your home to connect the fiber-optic line, which usually takes two to four hours. DSL installations may be self-installable if your home already has an active phone line. In high-demand areas like Denver and Colorado Springs, appointment slots may fill up more quickly. Schedule your installation by calling 1-855-228-8741 to get the earliest available date.
Is Quantum Fiber the same as CenturyLink in Colorado?
Yes, Quantum Fiber is CenturyLink's premium fiber-optic internet brand. In Colorado, you may see both names used depending on whether your address qualifies for fiber or DSL service. Quantum Fiber is available in select areas of Denver, Colorado Springs, Aurora, Fort Collins, offering speeds from 200 Mbps to 2 Gig. If you are in a Quantum Fiber area, you will experience the company's newest network technology with symmetrical upload and download speeds. Both Quantum Fiber and CenturyLink DSL are managed by Lumen Technologies and share the same customer service number: 1-855-228-8741.
Can I bundle CenturyLink internet with TV or phone service in Colorado?
CenturyLink has shifted its focus primarily to internet service and no longer actively markets traditional TV bundles in most Colorado markets. However, you can add a home phone line to your internet plan for an additional monthly fee. For television, CenturyLink often partners with DirecTV Stream or other streaming services, offering promotional deals when you sign up for internet. Contact CenturyLink at 1-855-228-8741 to ask about current bundle offers or promotions available at your Colorado address.
Related Resources
- CenturyLink Provider Overview
- All Internet Providers in Colorado
- CenturyLink Internet in Wyoming
- CenturyLink Internet in Nebraska
- CenturyLink Internet in Kansas
- CenturyLink vs. AT&T Comparison
- Fiber vs. DSL: Which Is Better?
Disclosure
InternetProviders.ai may earn compensation through affiliate links and phone referrals displayed on this page. This does not influence our editorial content or provider rankings. Pricing, plans, and availability are current as of February 2026 and may vary by address within Colorado. CenturyLink, Quantum Fiber, and Lumen are trademarks of Lumen Technologies, Inc. We recommend verifying plan details directly with CenturyLink by calling 1-855-228-8741 before making a purchase decision. Speed performance may vary based on factors including network congestion, equipment capability, and distance from the nearest node.