Spectrum vs CenturyLink / Quantum Fiber
This comparison uses FCC coverage data: what each provider reports offering and how widely. It does not compare prices, which change often; check current offers with each provider.
| Spectrum | CenturyLink / Quantum Fiber | |
|---|---|---|
| Technologies offered | Fiber, Cable | Fiber, DSL |
| Cities with 50%+ coverage | 7,846 | 2,766 |
| Cities with 10%+ coverage | 8,192 | 3,031 |
| Strongest states | Ohio, New York, Texas | Colorado, Minnesota, Washington |
Where both are available
Spectrum and CenturyLink / Quantum Fiber both report service to at least half of residential locations in about 485 US cities.
- East Helena, Montana: Spectrum 98%, CenturyLink / Quantum Fiber 95%
- Laurel, Montana: Spectrum 94%, CenturyLink / Quantum Fiber 95%
- Cheyenne, Wyoming: Spectrum 94%, CenturyLink / Quantum Fiber 95%
- Fremont, Nebraska: Spectrum 93%, CenturyLink / Quantum Fiber 94%
- Central Point, Oregon: Spectrum 96%, CenturyLink / Quantum Fiber 93%
- Jackson, Wyoming: Spectrum 99%, CenturyLink / Quantum Fiber 92%
- Duluth, Minnesota: Spectrum 92%, CenturyLink / Quantum Fiber 92%
- Lexington, Nebraska: Spectrum 92%, CenturyLink / Quantum Fiber 93%
- Columbia Falls, Montana: Spectrum 95%, CenturyLink / Quantum Fiber 92%
- Havre, Montana: Spectrum 93%, CenturyLink / Quantum Fiber 91%
Where Spectrum has the edge
- Ewa Beach, Hawaii: Spectrum 99% vs CenturyLink / Quantum Fiber 0%
- Sun Valley, Nevada: Spectrum 99% vs CenturyLink / Quantum Fiber 0%
- Kapolei, Hawaii: Spectrum 99% vs CenturyLink / Quantum Fiber 0%
- Ballwin, Missouri: Spectrum 98% vs CenturyLink / Quantum Fiber 0%
- Kapaa, Hawaii: Spectrum 98% vs CenturyLink / Quantum Fiber 0%
- Waimanalo, Hawaii: Spectrum 98% vs CenturyLink / Quantum Fiber 0%
Where CenturyLink / Quantum Fiber has the edge
- Cape Coral, Florida: CenturyLink / Quantum Fiber 97% vs Spectrum 0%
- Littleton, Colorado: CenturyLink / Quantum Fiber 97% vs Spectrum 0%
- Stillwater, Minnesota: CenturyLink / Quantum Fiber 97% vs Spectrum 0%
- Arvada, Colorado: CenturyLink / Quantum Fiber 96% vs Spectrum 0%
- Saint Paul, Minnesota: CenturyLink / Quantum Fiber 96% vs Spectrum 0%
- Osseo, Minnesota: CenturyLink / Quantum Fiber 96% vs Spectrum 0%
See which one serves your area
Frequently asked questions
Is Spectrum or CenturyLink / Quantum Fiber more widely available?
In FCC data, Spectrum reports service to at least half of residential locations in more cities (7,846 versus 2,766). Availability at your address is what matters, so check both.
Do Spectrum and CenturyLink / Quantum Fiber compete in the same areas?
They both report service to at least half of residential locations in about 485 US cities, so many households can choose between them.
How do I decide between Spectrum and CenturyLink / Quantum Fiber?
Confirm which of the two serves your address, compare the current price after any promotion, and check contract terms, equipment fees and data caps. Fiber generally beats other technologies on upload speed and consistency.