AT&T 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.
| AT&T | CenturyLink / Quantum Fiber | |
|---|---|---|
| Technologies offered | Fiber, DSL, Fixed wireless | Fiber, DSL |
| Cities with 50%+ coverage | 11,188 | 2,766 |
| Cities with 10%+ coverage | 17,736 | 3,031 |
| Strongest states | Pennsylvania, California, Texas | Colorado, Minnesota, Washington |
Where both are available
AT&T and CenturyLink / Quantum Fiber both report service to at least half of residential locations in about 784 US cities.
- Gering, Nebraska: AT&T 89%, CenturyLink / Quantum Fiber 91%
- Scottsbluff, Nebraska: AT&T 92%, CenturyLink / Quantum Fiber 87%
- Miles City, Montana: AT&T 86%, CenturyLink / Quantum Fiber 93%
- Litchfield Park, Arizona: AT&T 89%, CenturyLink / Quantum Fiber 82%
- Sandy, Utah: AT&T 81%, CenturyLink / Quantum Fiber 85%
- Saint Paul, Minnesota: AT&T 80%, CenturyLink / Quantum Fiber 96%
- Mandan, North Dakota: AT&T 80%, CenturyLink / Quantum Fiber 80%
- Las Vegas, New Mexico: AT&T 79%, CenturyLink / Quantum Fiber 86%
- Moorhead, Minnesota: AT&T 87%, CenturyLink / Quantum Fiber 79%
- Inver Grove Heights, Minnesota: AT&T 78%, CenturyLink / Quantum Fiber 86%
Where AT&T has the edge
- Minot AFB, North Dakota: AT&T 100% vs CenturyLink / Quantum Fiber 0%
- Ballwin, Missouri: AT&T 99% vs CenturyLink / Quantum Fiber 0%
- Florissant, Missouri: AT&T 99% vs CenturyLink / Quantum Fiber 0%
- Arnold, Missouri: AT&T 99% vs CenturyLink / Quantum Fiber 0%
- Leavenworth, Kansas: AT&T 98% vs CenturyLink / Quantum Fiber 0%
- Hilliard, Ohio: AT&T 98% vs CenturyLink / Quantum Fiber 0%
Where CenturyLink / Quantum Fiber has the edge
- Rock Springs, Wyoming: CenturyLink / Quantum Fiber 95% vs AT&T 0%
- East Helena, Montana: CenturyLink / Quantum Fiber 95% vs AT&T 0%
- Mountain Home, Idaho: CenturyLink / Quantum Fiber 94% vs AT&T 0%
- Jerome, Idaho: CenturyLink / Quantum Fiber 94% vs AT&T 0%
- Los Alamos, New Mexico: CenturyLink / Quantum Fiber 93% vs AT&T 0%
- Green River, Wyoming: CenturyLink / Quantum Fiber 93% vs AT&T 0%
See which one serves your area
Frequently asked questions
Is AT&T or CenturyLink / Quantum Fiber more widely available?
In FCC data, AT&T reports service to at least half of residential locations in more cities (11,188 versus 2,766). Availability at your address is what matters, so check both.
Do AT&T and CenturyLink / Quantum Fiber compete in the same areas?
They both report service to at least half of residential locations in about 784 US cities, so many households can choose between them.
How do I decide between AT&T 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.