Cox business internet availability by address. Enter a zip code, city, or address below to see all providers.
Cox has business internet service available to 3.21% of people in the US. Among those covered, the breakdown by service type is as follows:
This map illustrates Cox’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 cable and fiber.
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.
This map highlights Cox coverage and speeds by state, Cox has the biggest presence in Arizona, California, and Virginia. Hover over each state to see Cox availability by connection type, and click on a state to see all providers in that state.
| Plan | Monthly Price | Typical Download Speed | Typical Upload Speed | Connection Type |
|---|---|---|---|---|
| CBI 100 Mbps | $130.00 | 100 Mbps | 25 Mbps | Cable |
| Cox Fiber Internet 100 | $130.00 | 100 Mbps | 100 Mbps | Fiber |
| CBI 300 Mbps | $190.00 | 400 Mbps | 25 Mbps | Cable |
| Cox Fiber Internet 300 | $190.00 | 400 Mbps | 300 Mbps | Fiber |
| CBI 500 Mbps | $290.00 | 600 Mbps | 50 Mbps | Cable |
| Cox Fiber Internet 500 | $290.00 | 600 Mbps | 600 Mbps | Fiber |
| Cox Fiber Internet 1G | $410.00 | 1000 Mbps | 1000 Mbps | Fiber |
| CBI 1 Gbps | $410.00 | 1200 Mbps | 100 Mbps | Cable |
| CBI 2 Gbps | $568.00 | 2500 Mbps | 100 Mbps | Cable |
| Cox Fiber Internet 2G | $568.00 | 2500 Mbps | 2000 Mbps | Fiber |
Plan details sourced from FCC-mandated machine-readable broadband label data. Pricing is subject to change and may not be available in all areas.
Cox 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.
| Cox vs T-Mobile Home Internet | |
|---|---|
| 94.85% Availability Overlap | |
 |  |
| National Availability | |
| 6.66% | 85.87% |
| High Speed Availability | |
| 95.44% Cable | 100.00% Fixed Wireless |
| Average Speed | |
| 1,966 Mbps | 61 Mbps |
| Customer Rating | |
 (440) |  (317) |
Cox competes with 208 other ISPs across the U.S., defined as any provider that competes in at least some part of Cox’s service area. On average, customers within Cox’s service area have about 5.2 alternative ISP options to choose from.
Cox is available in 1,047 cities throughout the country. Here is a list of the largest cities with Cox business internet service:
(15)