CenturyLink / Quantum Fiber internet in Phoenix, AZ
CenturyLink / Quantum Fiber reports service to about 86% of residential locations in Phoenix, Arizona, which ranks it #2 of 8 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 Phoenix
| # | Provider | Technology (varies by address) | Locations covered |
|---|---|---|---|
| 1 | Cox | Fiber, Cable | 89% |
| 2 | CenturyLink / Quantum Fiber | Fiber, DSL | 86% |
| 3 | Wi-Fiber | Fixed wireless | 77% |
| 4 | T-Mobile Home Internet | Fixed wireless | 70% |
| 5 | AT&T | Fiber, DSL, Fixed wireless | 56% |
| 6 | Verizon | Fiber, Fixed wireless | 55% |
| 7 | AirFiber WISP | Fixed wireless | 54% |
| 8 | California Internet | Fixed wireless | 8% |
Share of residential locations in Phoenix where each provider reports service (FCC National Broadband Map, data as of December 31, 2025). See all providers in Phoenix.
CenturyLink / Quantum Fiber vs other providers
What technologies are available in Phoenix?
Fiber reaches about 27% of locations in Phoenix, so it is available in parts of the area but not everywhere. Gigabit-class service (1,000 Mbps down) is reported for about 73% of locations. DSL is still reported for about 55% of locations, which can be a fallback where fiber and cable do not reach. Fixed wireless home internet is reported for about 98% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Phoenix that providers report they can serve. City-level figures, not your address.
CenturyLink / Quantum Fiber in places near Phoenix
- Glendale, AZ (87%)
- Paradise Valley, AZ (64%)
- Sun City, AZ (92%)
- Tolleson, AZ (71%)
- El Mirage, AZ (88%)
- Scottsdale, AZ (86%)
- Tempe, AZ (83%)
- Litchfield Park, AZ (82%)
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 Phoenix?
CenturyLink / Quantum Fiber reports service to about 86% of residential locations in Phoenix, per FCC data as of December 31, 2025. That ranks it #2 of 8 providers with meaningful coverage here. Availability depends on your exact address.
What type of internet does CenturyLink / Quantum Fiber offer in Phoenix?
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 Phoenix?
Other providers reporting at least 10% coverage in Phoenix include Cox (89%), Wi-Fiber (77%), T-Mobile Home Internet (70%), AT&T (56%).
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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