In Castleberry there is 1 residential DSL provider covering 78.61% of the city. The average home can get speeds up to 24 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
This page contains all DSL internet providers in Castleberry, AL.
To see availability maps for all providers including fiber, cable, DSL, and more in Castleberry, AL please click below.
Castleberry, AL Availability Maps
DSL Internet Service Provider in Castleberry
Data updated 11/14/2025, based on FCC data from 12/31/2024. This is the most current data available as of .
To avoid wasting your time, providers with less than 1% coverage in Castleberry are not shown.
Castleberry Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
Viasat Satellite Internet
Where in Castleberry is DSL internet available?
DSL Internet Availability Key
DSL is available in 78.61% of Castleberry. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Castleberry Telephone Company. Call one of the companies with service in Castleberry above to see who has service at your home.
How fast is DSL internet in Castleberry?
The map below shows maximum DSL internet speeds by area in Castleberry.
DSL Internet Speed Key
The average Castleberry home can get up to 24 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 25 Mbps, which 71.52% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 7.09% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Castleberry.
DSL internet speeds tend to be faster in the central parts of Castleberry, and slower in the northwest areas of the city.
Is DSL the fastest internet I can get in Castleberry?
The fastest internet for you may vary based on where in Castleberry you live. In general, fixed wireless competes most often with DSL in the city.
- Fiber is the fastest internet type for less than 1% of Castleberry homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for 6.75%.
- Fixed wireless is fastest for 87.50%.
- Satellite internet may be the only option for 5.75% of Castleberry homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Castleberry, along with details on where in Castleberry and at what speeds.
Castleberry Telephone Company DSL in Castleberry, AL
Castleberry Telephone Company DSL coverage
About 78.61%, or 1,176 people, have Castleberry Telephone Company DSL internet available to them in the city. The company covers the entire Castleberry area. Castleberry Telephone Company is one of the smallest internet service providers internet service providers in the US, with internet service available in much of Castleberry.
Castleberry Telephone Company DSL download speeds
Castleberry Telephone Company is below average when comparing download speeds to all other internet providers in Castleberry. Versus other DSL providers in the area, Castleberry Telephone Company DSL is the fastest. There are 2 different maximum speeds throughout Castleberry. The fastest plan anyone in Castleberry can order from Castleberry Telephone Company goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Castleberry customers is up to 24 Mbps.
Show all download speeds
- 91.0% up to 25.0 Mbps
- 9.0% up to 10.0 Mbps
Castleberry Telephone Company DSL upload speeds
In Castleberry download speeds tend to be faster than than upload speeds for Castleberry Telephone Company DSL. Compared to other ISPs, Castleberry Telephone Company is average where upload speeds are concerned, and the fastest compared to other Castleberry DSL providers. Castleberry Telephone Company offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Castleberry is up to 3.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Castleberry Telephone Company customers can get speeds up to 2.8 Mbps.
Show all upload speeds
- 91.0% up to 3.0 Mbps
- 9.0% up to 1.0 Mbps
Castleberry DSL by Area
This information is most helpful to those looking for homes or considering moving to Castleberry or any of the areas nearby.
How does DSL internet in Castleberry compare to the rest of Alabama?
DSL internet speeds in Castleberry are much faster versus the average speeds in Alabama: 0.00 Mbps in Alabama versus 24 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Alabama is 0.00% versus 78.61% in Castleberry.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Castleberry are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does DSL internet look like in other cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- London, AL: more DSL coverage, faster speeds
- Nymph, AL: more DSL coverage, slower speeds
- Lenox, AL: less DSL coverage, faster speeds
- Range, AL: more DSL coverage, faster speeds
- Brooklyn, AL: less DSL coverage, slower speeds
- Evergreen, AL: less DSL coverage, slower speeds
- Johnsonville, AL: less DSL coverage, slower speeds
- Repton, AL: more DSL coverage, faster speeds
- Nichburg, AL: less DSL coverage, slower speeds
- Paul, AL: less DSL coverage, faster speeds
Cities with Similar Populations
- Sherburn, MN: more DSL coverage, faster speeds
- Henry, VA: more DSL coverage, faster speeds
- Holton, IN: less DSL coverage, slower speeds
- Lebanon, CO: more DSL coverage, faster speeds
- Loachapoka, AL: less DSL coverage, slower speeds
- Macon, NC: more DSL coverage, faster speeds
- Airport, NC: more DSL coverage, faster speeds
- Meadview, AZ: less DSL coverage, slower speeds
- Mechanicsville, IA: less DSL coverage, faster speeds
- Monette, AR: more DSL coverage, faster speeds