CenturyLink / Quantum Fiber internet: coverage and availability
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.
Is CenturyLink / Quantum Fiber available near you?
How widely does CenturyLink / Quantum Fiber report service?
Based on FCC data, CenturyLink / Quantum Fiber reports service to at least half of residential locations in about 2,766 US cities, and to at least 10% in about 3,031. Technologies it offers somewhere in its footprint: Fiber, DSL.
States where CenturyLink / Quantum Fiber is strongest
Ranked by the number of cities with 50%+ coverage.
- Colorado: 358 cities
- Minnesota: 354 cities
- Washington: 304 cities
- Florida: 243 cities
- Oregon: 234 cities
- New Mexico: 221 cities
- Iowa: 185 cities
- Utah: 144 cities
- Arizona: 142 cities
- Montana: 127 cities
Larger cities with strong CenturyLink / Quantum Fiber coverage
- Littleton, Colorado — about 97% of locations
- Cape Coral, Florida — about 97% of locations
- Stillwater, Minnesota — about 97% of locations
- Arvada, Colorado — about 96% of locations
- Saint Paul, Minnesota — about 96% of locations
- Osseo, Minnesota — about 96% of locations
- Bountiful, Utah — about 96% of locations
- Englewood, Colorado — about 96% of locations
- Boulder, Colorado — about 96% of locations
- Farmington, New Mexico — about 96% of locations
- Denver, Colorado — about 95% of locations
- Rock Springs, Wyoming — about 95% of locations
- Burlington, Iowa — about 95% of locations
- Laurel, Montana — about 95% of locations
- East Helena, Montana — about 95% of locations
CenturyLink / Quantum Fiber internet by state
Coverage details for CenturyLink / Quantum Fiber in larger cities, by state.
- Arizona (29 cities)
- Colorado (21 cities)
- Minnesota (19 cities)
- Florida (18 cities)
- Washington (18 cities)
- Utah (16 cities)
- Iowa (12 cities)
- Oregon (9 cities)
- Idaho (7 cities)
- Nevada (7 cities)
- New Mexico (6 cities)
- Montana (4 cities)
- Nebraska (3 cities)
- North Dakota (3 cities)
- South Dakota (2 cities)
- Wyoming (2 cities)
Compare CenturyLink / Quantum Fiber
- CenturyLink / Quantum Fiber vs T-Mobile Home Internet
- CenturyLink / Quantum Fiber vs Verizon
- CenturyLink / Quantum Fiber vs AT&T
- CenturyLink / Quantum Fiber vs Spectrum
- CenturyLink / Quantum Fiber vs Xfinity
Frequently asked questions
What type of internet does CenturyLink / Quantum Fiber offer?
CenturyLink / Quantum Fiber offers fiber, dsl internet in parts of its footprint. The technology you can get depends on your address.
How widely available is CenturyLink / Quantum Fiber?
In FCC data, CenturyLink / Quantum Fiber reports service to at least half of residential locations in about 2,766 US cities, and to at least 10% in about 3,031.
How do I check if CenturyLink / Quantum Fiber is available at my address?
Enter your ZIP code to see whether CenturyLink / Quantum Fiber reports service in your city, then use the provider's own address checker to confirm your exact address.
Coverage figures are provider-reported to the FCC and describe cities, not individual addresses. See how we use this data and how we make money.