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Castleberry Telephone Company Business Internet Availability

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

Jump to: Availability Maps| Residential Internet

Castleberry Telephone Company a small local business internet service provider, operating in 1 state or territory covering 2,096 people, and offering speeds of 1,000 Mbps or more to 0.00% of those people. Castleberry Telephone Company offers DSL connections, explore our comprehensive and frequently updated availability maps below.

Castleberry Telephone Company Business Internet Availability Maps

Castleberry Telephone Company 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 0.00%
  • Cable for 0.00%
  • DSL for 100.00%
  • Fixed wireless for 0.00%

This map illustrates Castleberry Telephone Company’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 DSL.

Castleberry Telephone Company 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.

Castleberry Telephone Company Business Internet by State

This map highlights Castleberry Telephone Company coverage and speeds by state, Castleberry Telephone Company has the biggest presence in Alabama. Hover over each state to see Castleberry Telephone Company availability by connection type, and click on a state to see all providers in that state.

Castleberry Telephone Company’s Biggest Competitors

Castleberry Telephone Company frequently competes for business customers with providers like Dragonfly Internet, T-Mobile Home Internet, and Mediacom. Below, we offer a side-by-side comparison of these ISPs based on key metrics such as service availability, average speeds, and customer ratings.

Castleberry Telephone Company vs Dragonfly Internet
70.61% Availability Overlap
Castleberry Telephone Company logoDragonfly Internet logo
National Availability
less than 1%less than 1%
High Speed Availability
100.00% DSL100.00% Fixed Wireless
Average Speed
23 Mbps100 Mbps
Customer Rating
(0) (1)
Castleberry Telephone Company vs T-Mobile Home Internet
68.85% Availability Overlap
Castleberry Telephone Company logoT-Mobile Home Internet logo
National Availability
less than 1%85.87%
High Speed Availability
100.00% DSL100.00% Fixed Wireless
Average Speed
23 Mbps40 Mbps
Customer Rating
(0) (284)
Castleberry Telephone Company vs Mediacom
52.97% Availability Overlap
Castleberry Telephone Company logoMediacom logo
National Availability
less than 1%2.08%
High Speed Availability
100.00% DSL100.00% Fixed Wireless
Average Speed
23 Mbps82 Mbps
Customer Rating
(0) (84)

Castleberry Telephone Company competes with 6 other ISPs across the U.S., defined as any provider that competes in at least some part of Castleberry Telephone Company's service area. On average, customers within Castleberry Telephone Company's service area have about 2.2 alternative ISP options to choose from.

Biggest Cities with Castleberry Telephone Company Business Internet Service

Castleberry Telephone Company is available in 9 cities throughout the country. Here is a list of the largest cities with Castleberry Telephone Company business internet service:

Castleberry, AL
  • Availability: 78.61%
  • Avg. Download Speed: 24 Mbps
London, AL
  • Availability: 100.00%
  • Avg. Download Speed: 24 Mbps
Evergreen, AL
  • Availability: 4.36%
  • Avg. Download Speed: 23 Mbps
Nymph, AL
  • Availability: 86.38%
  • Avg. Download Speed: 23 Mbps
Johnsonville, AL
  • Availability: 33.33%
  • Avg. Download Speed: 20 Mbps
Lenox, AL
  • Availability: 10.54%
  • Avg. Download Speed: 25 Mbps
Brewton, AL
  • Availability: 0.38%
  • Avg. Download Speed: 10 Mbps
Kirkland, AL
  • Availability: 4.37%
  • Avg. Download Speed: 25 Mbps
Range, AL
  • Availability: 5.33%
  • Avg. Download Speed: 20 Mbps

Castleberry Telephone Company Frequently Asked Questions

  • How fast is Castleberry Telephone Company Business Internet?

    • The fastest available speed from Castleberry Telephone Company is 25 Mbps download 3.0 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 Castleberry Telephone Company is 23 Mbps download and 2.8 Mbps upload.
    • Our visitors rate Castleberry Telephone Company N/A out of 5 for speed.
  • Is Castleberry Telephone Company for business available in my area?

    • Castleberry Telephone Company is available to less than 1% of people in the United States. It is available in 1 state or territory, 9 cities, and 3 zip codes.
  • Does Castleberry Telephone Company have fiber business internet?

    • Castleberry Telephone Company does not offer any fiber internet service.
  • Does Castleberry Telephone Company have cable business internet?

    • Castleberry Telephone Company does not offer any Cable internet service.
  • Does Castleberry Telephone Company have DSL business internet?

    • 100.00% of Castleberry Telephone Company customers can subscribe to DSL internet. These customers receive an average download speed of 23 Mbps and average upload speed of 3 Mbps.
  • Does Castleberry Telephone Company have Fixed Wireless business internet?

    • Castleberry Telephone Company does not offer any Fixed internet service.
  • Does Castleberry Telephone Company offer residential internet service?