CenturyLink / Quantum Fiber internet in Denver, CO
CenturyLink / Quantum Fiber reports service to about 95% of residential locations in Denver, Colorado, which ranks it #2 of 10 providers with meaningful coverage. CenturyLink and Quantum Fiber are Lumen's consumer internet brands. They offer DSL in many areas and fiber (branded Quantum Fiber) where it has been built out.
How CenturyLink / Quantum Fiber compares in Denver
| # | Provider | Technology (varies by address) | Locations covered |
|---|---|---|---|
| 1 | Xfinity | Cable | 99% |
| 2 | CenturyLink / Quantum Fiber | Fiber, DSL | 95% |
| 3 | T-Mobile Home Internet | Fixed wireless | 80% |
| 4 | Verizon | Fiber, Fixed wireless | 78% |
| 5 | Live Wire Networks | Fixed wireless | 63% |
| 6 | AT&T | Fiber, DSL, Fixed wireless | 60% |
| 7 | Starry | Fixed wireless | 34% |
| 8 | JAB Wireless | Fixed wireless | 14% |
Share of residential locations in Denver where each provider reports service (FCC National Broadband Map, data as of December 31, 2025). See all providers in Denver.
CenturyLink / Quantum Fiber vs other providers
What technologies are available in Denver?
Fiber is widely available: about 64% of locations in Denver can get it. Gigabit-class service (1,000 Mbps down) is reported for about 94% of locations. DSL is still reported for about 31% of locations, which can be a fallback where fiber and cable do not reach. Fixed wireless home internet is reported for about 97% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Denver that providers report they can serve. City-level figures, not your address.
CenturyLink / Quantum Fiber in places near Denver
- Four Square Mile, CO (82%)
- Welby, CO (94%)
- Sherrelwood, CO (95%)
- Berkley, CO (89%)
- Aurora, CO (94%)
- Commerce City, CO (92%)
- Englewood, CO (96%)
- Federal Heights, CO (96%)
Plans and pricing
Plan prices and promotions change often and vary by address, so we do not list them. See CenturyLink / Quantum Fiber's current offers at your address with its availability checker.
Frequently asked questions
Is CenturyLink / Quantum Fiber available in Denver?
CenturyLink / Quantum Fiber reports service to about 95% of residential locations in Denver, per FCC data as of December 31, 2025. That ranks it #2 of 10 providers with meaningful coverage here. Availability depends on your exact address.
What type of internet does CenturyLink / Quantum Fiber offer in Denver?
CenturyLink / Quantum Fiber offers fiber, dsl service across its footprint. The FCC summary does not say which technology reaches each address, so check your address with the provider.
Who are the main CenturyLink / Quantum Fiber competitors in Denver?
Other providers reporting at least 10% coverage in Denver include Xfinity (99%), T-Mobile Home Internet (80%), Verizon (78%), Live Wire Networks (63%).
How do I check CenturyLink / Quantum Fiber availability at my address?
Use CenturyLink / Quantum Fiber's own address checker, or enter your ZIP code here to compare all providers for your area.
Compare all providers for your ZIP code
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