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Centurylink Business Internet Availability

Centurylink business internet availability by address. Enter a zip code, city, or address below to see all providers.

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Centurylink is currently the 7th largest business internet provider in the United States, operating in 20 states or territories covering 41,054,145 people, and offering speeds of 1,000 Mbps or more to 10.18% of those people. Centurylink offers DSL and fiber connections, explore our comprehensive and frequently updated availability maps below.

Centurylink Business Internet Availability Maps

Centurylink has business internet service available to 11.65% of people in the US. Among those covered, the breakdown by service type is as follows:

  • Fiber internet for 18.57%
  • Cable for 0.00%
  • DSL for 94.13%
  • Fixed wireless for 0.00%

This map illustrates Centurylink’s business internet availability across the United States. Use the buttons at the top of the map to toggle between the different types of connections including DSL and fiber.

Centurylink Business Internet Availability Map

For more detailed comparisons and interactive maps, visit our Internet Service Providers Near You page. Alternatively, you can search by address on our Internet Service Providers by Address page, or use the search feature at the top of this page.

This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.

Centurylink Business Internet by State

This map highlights Centurylink coverage and speeds by state, Centurylink has the biggest presence in Arizona, Colorado, and Washington. Hover over each state to see Centurylink availability by connection type, and click on a state to see all providers in that state.

Centurylink’s Biggest Competitors

Centurylink frequently competes for business customers with providers like T-Mobile Home Internet, EarthLink, and AT&T. Below, we offer a side-by-side comparison of these ISPs based on key metrics such as service availability, average speeds, and customer ratings.

Centurylink vs T-Mobile Home Internet
90.79% Availability Overlap
Centurylink logoT-Mobile Home Internet logo
National Availability
11.60%85.87%
High Speed Availability
18.55% Fiber100.00% Fixed Wireless
Average Speed
238 Mbps59 Mbps
Customer Rating
(163) (284)
Centurylink vs AT&T
73.36% Availability Overlap
Centurylink logoAT&T logo
National Availability
11.60%73.09%
High Speed Availability
18.55% Fiber99.68% Fixed Wireless
Average Speed
238 Mbps161 Mbps
Customer Rating
(163) (924)
Centurylink vs EarthLink
73.36% Availability Overlap
Centurylink logoEarthLink logo
National Availability
11.60%75.17%
High Speed Availability
18.55% Fiber99.68% Fixed Wireless
Average Speed
238 Mbps161 Mbps
Customer Rating
(163) (12)

Centurylink competes with 670 other ISPs across the U.S., defined as any provider that competes in at least some part of Centurylink’s service area. On average, customers within Centurylink’s service area have about 6.0 alternative ISP options to choose from.

Biggest Cities with Centurylink Business Internet Service

Centurylink is available in 5,307 cities throughout the country. Here is a list of the largest cities with Centurylink business internet service:

Phoenix, AZ
  • Availability: 92.50%
  • Avg. Download Speed: 218 Mbps
Minneapolis, MN
  • Availability: 79.41%
  • Avg. Download Speed: 329 Mbps
Denver, CO
  • Availability: 95.57%
  • Avg. Download Speed: 420 Mbps
Seattle, WA
  • Availability: 62.48%
  • Avg. Download Speed: 429 Mbps
Las Vegas, NV
  • Availability: 93.41%
  • Avg. Download Speed: 299 Mbps
Portland, OR
  • Availability: 44.94%
  • Avg. Download Speed: 609 Mbps
Orlando, FL
  • Availability: 48.49%
  • Avg. Download Speed: 263 Mbps
Salt Lake City, UT
  • Availability: 96.16%
  • Avg. Download Speed: 387 Mbps
Tucson, AZ
  • Availability: 88.80%
  • Avg. Download Speed: 172 Mbps
Albuquerque, NM
  • Availability: 95.34%
  • Avg. Download Speed: 103 Mbps
Omaha, NE
  • Availability: 84.46%
  • Avg. Download Speed: 332 Mbps
Boise, ID
  • Availability: 93.13%
  • Avg. Download Speed: 317 Mbps
Colorado Springs, CO
  • Availability: 91.84%
  • Avg. Download Speed: 270 Mbps
Fort Myers, FL
  • Availability: 90.19%
  • Avg. Download Speed: 303 Mbps
Des Moines, IA
  • Availability: 88.91%
  • Avg. Download Speed: 368 Mbps

Centurylink Frequently Asked Questions

  • How fast is Centurylink Business Internet?

    • The fastest available speed from Centurylink is 8,000 Mbps download 8,000 Mbps upload. Speed tiers start at 10 Mbps download and 1.0 Mbps upload for cheaper service packages.
    • The average speed most businesses can get from Centurylink is 236 Mbps download and 174 Mbps upload.
    • Our visitors rate Centurylink 3.27 out of 5 for speed.
  • Is Centurylink for business available in my area?

    • Centurylink is available to 11.65% of people in the United States. It is available in 20 states or territories, 5,307 cities, and 3,873 zip codes.
  • Does Centurylink have fiber business internet?

    • 18.57% of Centurylink customers can subscribe to fiber internet. These customers receive an average download speed of 980 Mbps and average upload speed of 902 Mbps.
  • Does Centurylink have cable business internet?

    • Centurylink does not offer any Cable internet service.
  • Does Centurylink have DSL business internet?

    • 94.13% of Centurylink customers can subscribe to DSL internet. These customers receive an average download speed of 67 Mbps and average upload speed of 9 Mbps.
  • Does Centurylink have Fixed Wireless business internet?

    • Centurylink does not offer any Fixed internet service.
  • Does Centurylink offer residential internet service?