C Spire Business Internet Availability
C Spire business internet availability by address. Enter a zip code, city, or address below to see all providers.
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C Spire is a large multi-regional business internet service provider, operating in 4 states or territories covering 1,602,561 people, and offering speeds of 1,000 Mbps or more to 98.81% of those people. C Spire offers fiber, cable, and DSL connections, explore our comprehensive and frequently updated availability maps below.C Spire Business Internet Availability Maps
C Spire has business internet service available to less than 1% of people in the US. Among those covered, the breakdown by service type is as follows:
- Fiber internet for 98.81%
- Cable for 3.13%
- DSL for 1.32%
This map illustrates C Spire’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, cable, 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.
C Spire Business Internet by State
This map highlights C Spire coverage and speeds by state, C Spire has the biggest presence in Mississippi, Alabama, and Tennessee. Hover over each state to see C Spire availability by connection type, and click on a state to see all providers in that state.
C Spire’s Biggest Competitors
C Spire 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.
| C Spire vs T-Mobile Home Internet | |
|---|---|
| 89.60% Availability Overlap | |
 |  |
| National Availability | |
| less than 1% | 85.87% |
| High Speed Availability | |
| 43.45% Fiber | 100.00% Fixed Wireless |
| Average Speed | |
| 3,152 Mbps | 61 Mbps |
| Customer Rating | |
 (24) |  (284) |
| C Spire vs EarthLink | |
|---|---|
| 87.31% Availability Overlap | |
|  |
| National Availability | |
| less than 1% | 75.17% |
| High Speed Availability | |
| 43.45% Fiber | 42.50% Fiber |
| Average Speed | |
| 3,152 Mbps | 1,947 Mbps |
| Customer Rating | |
| (24) |  (12) |
| C Spire vs AT&T | |
|---|---|
| 87.31% Availability Overlap | |
|  |
| National Availability | |
| less than 1% | 73.09% |
| High Speed Availability | |
| 43.45% Fiber | 42.50% Fiber |
| Average Speed | |
| 3,152 Mbps | 1,947 Mbps |
| Customer Rating | |
| (24) | (924) |
C Spire competes with 67 other ISPs across the U.S., defined as any provider that competes in at least some part of C Spire's service area. On average, customers within C Spire's service area have about 4.5 alternative ISP options to choose from.
Biggest Cities with C Spire Business Internet Service
C Spire is available in 1,220 cities throughout the country. Here is a list of the largest cities with C Spire business internet service:
Jackson, MS
- Availability: 83.13%
- Avg. Download Speed: 5,419 Mbps
Memphis, TN
- Availability: 15.12%
- Avg. Download Speed: 7,493 Mbps
Montgomery, AL
- Availability: 43.06%
- Avg. Download Speed: 5,779 Mbps
Gulfport, MS
- Availability: 84.83%
- Avg. Download Speed: 4,621 Mbps
Hattiesburg, MS
- Availability: 80.68%
- Avg. Download Speed: 5,607 Mbps
Brandon, MS
- Availability: 96.69%
- Avg. Download Speed: 7,454 Mbps
Birmingham, AL
- Availability: 5.50%
- Avg. Download Speed: 9,180 Mbps
Biloxi, MS
- Availability: 80.10%
- Avg. Download Speed: 6,885 Mbps
Olive Branch, MS
- Availability: 97.83%
- Avg. Download Speed: 8,512 Mbps
Madison, MS
- Availability: 99.76%
- Avg. Download Speed: 8,303 Mbps
Dothan, AL
- Availability: 60.80%
- Avg. Download Speed: 6,887 Mbps
Meridian, MS
- Availability: 80.21%
- Avg. Download Speed: 4,495 Mbps
Southaven, MS
- Availability: 79.82%
- Avg. Download Speed: 8,832 Mbps
Tuscaloosa, AL
- Availability: 34.54%
- Avg. Download Speed: 8,978 Mbps
Mobile, AL
- Availability: 16.58%
- Avg. Download Speed: 9,555 Mbps
C Spire Frequently Asked Questions
-
How fast is C Spire Business Internet?
- The fastest available speed from C Spire is 10,000 Mbps download 10,000 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 C Spire is 7,500 Mbps download and 7,500 Mbps upload.
- Our visitors rate C Spire 4.46 out of 5 for speed.
-
Is C Spire for business available in my area?
- C Spire is available to less than 1% of people in the United States. It is available in 4 states or territories, 1,220 cities, and 565 zip codes.
-
Does C Spire have fiber business internet?
- 98.81% of C Spire customers can subscribe to fiber internet. These customers receive an average download speed of 7,590 Mbps and average upload speed of 7,590 Mbps.
-
Does C Spire have cable business internet?
- 3.13% of C Spire customers can subscribe to cable internet. These customers receive an average download speed of 57 Mbps and average upload speed of 4 Mbps.
-
Does C Spire have DSL business internet?
- 1.32% of C Spire customers can subscribe to DSL internet. These customers receive an average download speed of 21 Mbps and average upload speed of 2 Mbps.
-
Does C Spire have Fixed Wireless business internet?
- C Spire does not offer any Fixed internet service.
-
Does C Spire offer residential internet service?
- Yes, C Spire offers residential internet service. Please visit our C Spire Residential Internet page for more information.