CenturyLink / Quantum Fiber internet in Dubuque, IA
CenturyLink / Quantum Fiber reports service to about 90% of residential locations in Dubuque, Iowa, 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 Dubuque
| # | Provider | Technology (varies by address) | Locations covered |
|---|---|---|---|
| 1 | Mediacom | Fiber, Cable | 97% |
| 2 | CenturyLink / Quantum Fiber | Fiber, DSL | 90% |
| 3 | T-Mobile Home Internet | Fixed wireless | 74% |
| 4 | Verizon | Fiber, Fixed wireless | 65% |
| 5 | Hawkeye Topco Holdings | Fiber, Cable | 62% |
| 6 | AT&T | Fiber, DSL, Fixed wireless | 59% |
| 7 | Comelec Services | Fiber, Fixed wireless | 26% |
| 8 | AMG Technology Investment Group | Fixed wireless | 3% |
Share of residential locations in Dubuque where each provider reports service (FCC National Broadband Map, data as of December 31, 2025). See all providers in Dubuque.
CenturyLink / Quantum Fiber vs other providers
What technologies are available in Dubuque?
Fiber is widely available: about 68% of locations in Dubuque can get it. Gigabit-class service (1,000 Mbps down) is reported for about 64% of locations. DSL is still reported for about 42% of locations, which can be a fallback where fiber and cable do not reach. Fixed wireless home internet is reported for about 93% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Dubuque that providers report they can serve. City-level figures, not your address.
CenturyLink / Quantum Fiber in places near Dubuque
- Clinton, IA (89%)
- Marion, IA (90%)
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 Dubuque?
CenturyLink / Quantum Fiber reports service to about 90% of residential locations in Dubuque, 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 Dubuque?
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 Dubuque?
Other providers reporting at least 10% coverage in Dubuque include Mediacom (97%), T-Mobile Home Internet (74%), Verizon (65%), Hawkeye Topco Holdings (62%).
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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