Advertiser Disclosure: We may earn commissions when you buy through links on our site. Learn more

Cox Business Internet Availability

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

Jump to: Availability Maps| Residential Internet | Customer Reviews

Cox is currently the 14th largest business internet provider in the United States, operating in 20 states or territories covering 11,326,683 people, and offering speeds of 1,000 Mbps or more to 100% of those people. Cox offers cable and fiber connections, explore our comprehensive and frequently updated availability maps below.

Cox Business Internet Availability Maps

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:

  • Fiber internet for 39.24%
  • Cable for 94.75%
  • DSL for 0.00%
  • Fixed wireless for 0.00%

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.

Cox 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.

Cox Business Internet by State

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.

Cox’s Biggest Competitors

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
Cox logoT-Mobile Home Internet logo
National Availability
6.66%85.87%
High Speed Availability
95.44% Cable100.00% Fixed Wireless
Average Speed
1,966 Mbps61 Mbps
Customer Rating
(407) (284)
Cox vs EarthLink
90.87% Availability Overlap
Cox logoEarthLink logo
National Availability
6.66%75.17%
High Speed Availability
95.44% Cable40.14% Fiber
Average Speed
1,966 Mbps1,410 Mbps
Customer Rating
(407) (12)
Cox vs AT&T
89.09% Availability Overlap
Cox logoAT&T logo
National Availability
6.66%73.09%
High Speed Availability
95.44% Cable26.68% Fiber
Average Speed
1,966 Mbps1,281 Mbps
Customer Rating
(407) (924)

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.

Biggest Cities with Cox Business Internet Service

Cox is available in 1,047 cities throughout the country. Here is a list of the largest cities with Cox business internet service:

Phoenix, AZ
  • Availability: 34.83%
  • Avg. Download Speed: 1,960 Mbps
San Diego, CA
  • Availability: 43.56%
  • Avg. Download Speed: 1,983 Mbps
Virginia Beach, VA
  • Availability: 53.46%
  • Avg. Download Speed: 1,989 Mbps
Las Vegas, NV
  • Availability: 38.07%
  • Avg. Download Speed: 1,988 Mbps
Washington, DC
  • Availability: 11.76%
  • Avg. Download Speed: 1,997 Mbps
Oklahoma City, OK
  • Availability: 39.18%
  • Avg. Download Speed: 1,947 Mbps
Providence, RI
  • Availability: 33.04%
  • Avg. Download Speed: 1,952 Mbps
Los Angeles, CA
  • Availability: 3.75%
  • Avg. Download Speed: 1,979 Mbps
Baton Rouge, LA
  • Availability: 56.52%
  • Avg. Download Speed: 1,996 Mbps
New Orleans, LA
  • Availability: 45.34%
  • Avg. Download Speed: 1,986 Mbps
Tulsa, OK
  • Availability: 39.33%
  • Avg. Download Speed: 1,952 Mbps
Tucson, AZ
  • Availability: 32.11%
  • Avg. Download Speed: 1,955 Mbps
Omaha, NE
  • Availability: 30.73%
  • Avg. Download Speed: 1,971 Mbps
Wichita, KS
  • Availability: 33.66%
  • Avg. Download Speed: 1,962 Mbps
Mesa, AZ
  • Availability: 39.21%
  • Avg. Download Speed: 1,985 Mbps

Cox Frequently Asked Questions

  • How fast is Cox Business Internet?

    • The fastest available speed from Cox is 2,000 Mbps download 2,000 Mbps upload. Speed tiers start at 1,000 Mbps download and 35 Mbps upload for cheaper service packages.
    • The average speed most businesses can get from Cox is 1,981 Mbps download and 753 Mbps upload.
    • Our visitors rate Cox 3.57 out of 5 for speed.
  • Is Cox for business available in my area?

    • Cox is available to 3.21% of people in the United States. It is available in 20 states or territories, 1,047 cities, and 1,277 zip codes.
  • Does Cox have fiber business internet?

    • 39.24% of Cox customers can subscribe to fiber internet. These customers receive an average download speed of 1,925 Mbps and average upload speed of 1,795 Mbps.
  • Does Cox have cable business internet?

    • 94.75% of Cox customers can subscribe to cable internet. These customers receive an average download speed of 2,000 Mbps and average upload speed of 83 Mbps.
  • Does Cox have DSL business internet?

    • Cox does not offer any DSL internet service.
  • Does Cox have Fixed Wireless business internet?

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