CenturyLink internet availability at a glance
CenturyLink, from Lumen Technologies, Inc., is a DSL over copper telephone line — Lumen sells its fiber under the Quantum Fiber brand instead network covering a large legacy copper network across the West and Midwest. Its copper tiers commonly top out well below 100 Mbps and vary sharply with distance from the exchange, and it is known for being progressively replaced by Quantum Fiber wherever Lumen has built fiber. FiberNear tracks it in 1 market.
- CenturyLink is dsl / copper, operated by Lumen Technologies, Inc..
- Coverage: a large legacy copper network across the West and Midwest.
- Plans: copper tiers commonly top out well below 100 Mbps and vary sharply with distance from the exchange. Tiers and pricing are set by Lumen Technologies, Inc. and vary by address.
- Of the markets FiberNear tracks where it operates, Denver, CO has the most fiber overall at 64.2% of residential locations — a figure describing the market, not this provider's own footprint.
- CenturyLink is built out address by address, so the only reliable check is at your specific address. FiberNear checks it free and is not affiliated with Lumen Technologies, Inc..
Availability figures: FCC Broadband Data Collection, as of December 31, 2025. Page updated October 14, 2026.
How to check CenturyLink internet availability at your address
CenturyLink is built out address by address, so a coverage map only tells part of the story — two homes on the same block can get different answers depending on which side of the street the conduit was trenched. The reliable check is address-level.
- Enter your full street address, not just your ZIP code. ZIP-level results are averages and will mislead you.
- We compare it against CenturyLink and the other fiber and high-speed networks we can identify at that location.
- You get the list of what you can actually order, with next steps. Free, and no obligation.
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Check CenturyLink at My Address →Where CenturyLink operates
These are the markets FiberNear tracks where CenturyLink is active. The percentages are the share of each city's residential locations reached by fiber of any brand — CenturyLink is one of several networks in most of these markets, so treat the figure as how fiber-ready the city is, not as CenturyLink's own footprint.
| Market | Fiber available | Fiber gigabit |
|---|---|---|
| Denver, CO | 64.2% | 48.6% |
Source: FCC Broadband Data Collection, residential fixed broadband, as of December 31, 2025. Figures are advertised availability self-reported by providers, not measured speeds. Provider presence in each market is FiberNear's own editorial assessment, not an FCC figure.
How CenturyLink compares
Most addresses that can get CenturyLink can get at least one competing network too, and the right answer usually comes down to which one actually reaches the property.
If you are comparing CenturyLink against fiber, these are the fiber networks we track: AT&T Fiber · Frontier Fiber · Google Fiber · Verizon Fios · Quantum Fiber · Metronet
CenturyLink head to head: Quantum Fiber vs CenturyLink
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Common questions about CenturyLink
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Is FiberNear affiliated with Lumen Technologies, Inc.?
FiberNear is an independent comparison service and is not affiliated with, endorsed by, or sponsored by Lumen Technologies, Inc.. CenturyLink is a trademark of its owner, used here for identification only. Availability, speeds and pricing are set and confirmed by the provider. We may be compensated if you choose to move forward with a provider, which never changes which options we show you.