Castleberry Telephone Company Internet Availability
Castleberry Telephone Company internet availability by address. Enter a zip code, city, or address below to see all providers.
Castleberry Telephone Company internet availability by address. Enter a zip code, city, or address below to see all providers.
Castleberry Telephone Company has internet service available to less than 1% of people in the US. Among those covered, the breakdown by service type is as follows:
This map illustrates Castleberry Telephone Company’s 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.

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.
| Plan | Monthly Price | Typical Download Speed | Typical Upload Speed | Connection Type |
|---|---|---|---|---|
| Starting At | $29.99 | 23 Mbps | 3 Mbps | DSL |
Note: These provider-reported typical speeds reflect plan-specific expectations, while speed metrics elsewhere on our site measure maximum available performance across areas.
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 has 0 reviews and ratings across the United States. If you'd like to tell others about your experience, you can rate or review Castleberry Telephone Company here.
Castleberry Telephone Company frequently competes for 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 | |
![]() | ![]() |
| National Availability | |
| less than 1% | less than 1% |
| High Speed Availability | |
| 100.00% DSL | 100.00% Fixed Wireless |
| Average Speed | |
| 23 Mbps | 100 Mbps |
| Customer Rating | |
(0) | (1) |
| Castleberry Telephone Company vs T-Mobile Home Internet | |
|---|---|
| 68.85% Availability Overlap | |
![]() | ![]() |
| National Availability | |
| less than 1% | 85.72% |
| High Speed Availability | |
| 100.00% DSL | 100.00% Fixed Wireless |
| Average Speed | |
| 23 Mbps | 40 Mbps |
| Customer Rating | |
(0) | (284) |
| Castleberry Telephone Company vs Mediacom | |
|---|---|
| 52.97% Availability Overlap | |
![]() | ![]() |
| National Availability | |
| less than 1% | 1.95% |
| High Speed Availability | |
| 100.00% DSL | 100.00% Fixed Wireless |
| Average Speed | |
| 23 Mbps | 82 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.
Castleberry Telephone Company is available in 9 cities throughout the country. Here is a list of the largest cities with Castleberry Telephone Company internet service: