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Castle Cable TV Business Internet Availability

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

Jump to: Availability Maps| Residential Internet

Castle Cable TV a small local business internet service provider, operating in 1 state or territory covering 4,104 people, and offering speeds of 1,000 Mbps or more to 100.00% of those people. Castle Cable TV offers fiber connections, explore our comprehensive and frequently updated availability maps below.

Castle Cable TV Business Internet Availability Maps

Castle Cable TV 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 100.00%
  • Cable for 0.00%
  • DSL for 0.00%
  • Fixed wireless for 0.00%

This map illustrates Castle Cable TV’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.

Castle Cable TV 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.

Castle Cable TV Business Internet by State

This map highlights Castle Cable TV coverage and speeds by state, Castle Cable TV has the biggest presence in New York. Hover over each state to see Castle Cable TV availability by connection type, and click on a state to see all providers in that state.

Castle Cable TV’s Biggest Competitors

Castle Cable TV frequently competes for business customers with providers like T-Mobile Home Internet, Verizon, 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.

Castle Cable TV vs T-Mobile Home Internet
91.20% Availability Overlap
Castle Cable TV logoT-Mobile Home Internet logo
National Availability
less than 1%85.87%
High Speed Availability
100.00% Fiber100.00% Fixed Wireless
Average Speed
1,000 Mbps67 Mbps
Customer Rating
(0) (284)
Castle Cable TV vs Verizon
84.93% Availability Overlap
Castle Cable TV logoVerizon logo
National Availability
less than 1%58.38%
High Speed Availability
100.00% Fiber62.46% Fiber
Average Speed
1,000 Mbps700 Mbps
Customer Rating
(0) (723)
Castle Cable TV vs EarthLink
53.05% Availability Overlap
Castle Cable TV logoEarthLink logo
National Availability
less than 1%75.17%
High Speed Availability
100.00% Fiber100.00% Fiber
Average Speed
1,000 Mbps940 Mbps
Customer Rating
(0) (12)

Castle Cable TV competes with 5 other ISPs across the U.S., defined as any provider that competes in at least some part of Castle Cable TV's service area. On average, customers within Castle Cable TV's service area have about 2.5 alternative ISP options to choose from.

Biggest Cities with Castle Cable TV Business Internet Service

Castle Cable TV is available in 11 cities throughout the country. Here is a list of the largest cities with Castle Cable TV business internet service:

Alexandria Bay, NY
  • Availability: 90.84%
  • Avg. Download Speed: 1,000 Mbps
Redwood, NY
  • Availability: 84.81%
  • Avg. Download Speed: 1,000 Mbps
Plessis, NY
  • Availability: 90.84%
  • Avg. Download Speed: 1,000 Mbps
Brier Hill, NY
  • Availability: 63.78%
  • Avg. Download Speed: 1,000 Mbps
Hammond, NY
  • Availability: 5.84%
  • Avg. Download Speed: 1,000 Mbps
Morristown, NY
  • Availability: 11.65%
  • Avg. Download Speed: 1,000 Mbps
La Fargeville, NY
  • Availability: 3.15%
  • Avg. Download Speed: 1,000 Mbps
Theresa, NY
  • Availability: 1.49%
  • Avg. Download Speed: 1,000 Mbps
Westminster Park, NY
  • Availability: 33.33%
  • Avg. Download Speed: 1,000 Mbps
Ogdensburg, NY
  • Availability: 0.18%
  • Avg. Download Speed: 1,000 Mbps

Castle Cable TV Frequently Asked Questions

  • How fast is Castle Cable TV Business Internet?

    • The fastest available speed from Castle Cable TV is 1,000 Mbps download 500 Mbps upload. Speed tiers start at 1,000 Mbps download and 500 Mbps upload for cheaper service packages.
    • The average speed most businesses can get from Castle Cable TV is 1,000 Mbps download and 500 Mbps upload.
    • Our visitors rate Castle Cable TV N/A out of 5 for speed.
  • Is Castle Cable TV for business available in my area?

    • Castle Cable TV is available to less than 1% of people in the United States. It is available in 1 state or territory, 11 cities, and 9 zip codes.
  • Does Castle Cable TV have fiber business internet?

    • 100.00% of Castle Cable TV customers can subscribe to fiber internet. These customers receive an average download speed of 1,000 Mbps and average upload speed of 500 Mbps.
  • Does Castle Cable TV have cable business internet?

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

    • Castle Cable TV does not offer any DSL internet service.
  • Does Castle Cable TV have Fixed Wireless business internet?

    • Castle Cable TV does not offer any Fixed internet service.
  • Does Castle Cable TV offer residential internet service?