Quantum Fiber Business Internet Availability
Quantum Fiber business internet availability by address. Enter a zip code, city, or address below to see all providers.
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Quantum Fiber is currently the 15th largest business internet provider in the United States, operating in 17 states or territories covering 10,915,562 people, and offering speeds of 1,000 Mbps or more to 87.34% of those people. Quantum Fiber offers fiber and DSL connections, explore our comprehensive and frequently updated availability maps below.Quantum Fiber Business Internet Availability Maps
Quantum Fiber has business internet service available to 3.10% of people in the US. Among those covered, the breakdown by service type is as follows:
- Fiber internet for 100.00%
This map illustrates Quantum Fiber’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 fiber and DSL.
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.
Quantum Fiber Business Internet by State
This map highlights Quantum Fiber coverage and speeds by state, Quantum Fiber has the biggest presence in Colorado, Washington, and Minnesota. Hover over each state to see Quantum Fiber availability by connection type, and click on a state to see all providers in that state.
Quantum Fiber’s Biggest Competitors
Quantum Fiber frequently competes for business customers with providers like T-Mobile Home Internet, Centurylink, and EarthLink. Below, we offer a side-by-side comparison of these ISPs based on key metrics such as service availability, average speeds, and customer ratings.
| Quantum Fiber vs T-Mobile Home Internet | |
|---|---|
| 95.03% Availability Overlap | |
 |  |
| National Availability | |
| 3.21% | 85.87% |
| High Speed Availability | |
| 100.00% Fiber | 100.00% Fixed Wireless |
| Average Speed | |
| 3,169 Mbps | 63 Mbps |
| Customer Rating | |
 (42) | (284) |
| Quantum Fiber vs Centurylink | |
|---|---|
| 93.80% Availability Overlap | |
|  |
| National Availability | |
| 3.21% | 11.65% |
| High Speed Availability | |
| 100.00% Fiber | 64.79% Fiber |
| Average Speed | |
| 3,169 Mbps | 681 Mbps |
| Customer Rating | |
| (42) |  (163) |
| Quantum Fiber vs EarthLink | |
|---|---|
| 81.70% Availability Overlap | |
|  |
| National Availability | |
| 3.21% | 75.17% |
| High Speed Availability | |
| 100.00% Fiber | 99.66% Fixed Wireless |
| Average Speed | |
| 3,169 Mbps | 180 Mbps |
| Customer Rating | |
| (42) | (12) |
Quantum Fiber competes with 350 other ISPs across the U.S., defined as any provider that competes in at least some part of Quantum Fiber's service area. On average, customers within Quantum Fiber's service area have about 6.7 alternative ISP options to choose from.
Biggest Cities with Quantum Fiber Business Internet Service
Quantum Fiber is available in 1,110 cities throughout the country. Here is a list of the largest cities with Quantum Fiber business internet service:
Minneapolis, MN
- Availability: 39.15%
- Avg. Download Speed: 3,923 Mbps
Denver, CO
- Availability: 47.99%
- Avg. Download Speed: 3,367 Mbps
Seattle, WA
- Availability: 30.36%
- Avg. Download Speed: 2,289 Mbps
Portland, OR
- Availability: 30.69%
- Avg. Download Speed: 2,277 Mbps
Phoenix, AZ
- Availability: 18.87%
- Avg. Download Speed: 3,585 Mbps
Las Vegas, NV
- Availability: 34.65%
- Avg. Download Speed: 3,313 Mbps
Orlando, FL
- Availability: 22.79%
- Avg. Download Speed: 3,038 Mbps
Salt Lake City, UT
- Availability: 41.72%
- Avg. Download Speed: 3,177 Mbps
Fort Myers, FL
- Availability: 58.92%
- Avg. Download Speed: 5,071 Mbps
Colorado Springs, CO
- Availability: 35.28%
- Avg. Download Speed: 4,010 Mbps
Des Moines, IA
- Availability: 36.44%
- Avg. Download Speed: 3,358 Mbps
St. Paul, MN
- Availability: 80.32%
- Avg. Download Speed: 4,093 Mbps
Tucson, AZ
- Availability: 20.90%
- Avg. Download Speed: 5,436 Mbps
Boise, ID
- Availability: 26.95%
- Avg. Download Speed: 2,290 Mbps
Omaha, NE
- Availability: 20.70%
- Avg. Download Speed: 1,900 Mbps
Quantum Fiber Frequently Asked Questions
-
How fast is Quantum Fiber Business Internet?
- The fastest available speed from Quantum Fiber 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 Quantum Fiber is 3,015 Mbps download and 2,401 Mbps upload.
- Our visitors rate Quantum Fiber 4.26 out of 5 for speed.
-
Is Quantum Fiber for business available in my area?
- Quantum Fiber is available to 3.10% of people in the United States. It is available in 17 states or territories, 1,110 cities, and 1,499 zip codes.
-
Does Quantum Fiber have fiber business internet?
- 100.00% of Quantum Fiber customers can subscribe to fiber internet. These customers receive an average download speed of 3,015 Mbps and average upload speed of 2,401 Mbps.
-
Does Quantum Fiber have cable business internet?
- Quantum Fiber does not offer any Cable internet service.
-
Does Quantum Fiber have DSL business internet?
- Quantum Fiber does not offer any DSL internet service.
-
Does Quantum Fiber have Fixed Wireless business internet?
- Quantum Fiber does not offer any Fixed internet service.
-
Does Quantum Fiber offer residential internet service?
- Yes, Quantum Fiber offers residential internet service. Please visit our Quantum Fiber Residential Internet page for more information.