In Lock Three there are 2 residential DSL providers covering 93.67% of the city. The average home can get speeds up to 33 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 Lock Three, AL.
To see availability maps for all providers including fiber, cable, DSL, and more in Lock Three, AL please click below.
Lock Three, AL Availability Maps
DSL Internet Service Providers in Lock Three
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 Lock Three are not shown.
Lock Three 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 Lock Three is DSL internet available?

DSL Internet Availability Key
DSL is available in 93.67% of Lock Three. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is AT&T. Call one of the companies with service in Lock Three above to see who has service at your home.
How fast is DSL internet in Lock Three?
The map below shows maximum DSL internet speeds by area in Lock Three.

DSL Internet Speed Key
The average Lock Three home can get up to 33 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 100 Mbps, which 14.85% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 38.21% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Lock Three.
DSL internet speeds tend to be faster in the north parts of Lock Three, and slower in the northwest areas of the city.
Is DSL the fastest internet I can get in Lock Three?
The fastest internet for you may vary based on where in Lock Three you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 94.98% of Lock Three homes.
- Cable is fastest for 5.02% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of Lock Three homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Lock Three, along with details on where in Lock Three and at what speeds.
AT&T DSL in Lock Three, AL

AT&T DSL coverage
About 93.67%, or 429 people, have AT&T DSL internet available to them in the city. The company covers the northwest, north, and west Lock Three area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Lock Three.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Lock Three. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 4 different maximum speeds throughout Lock Three. The fastest plan anyone in Lock Three can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Lock Three customers is up to 33 Mbps.
Show all download speeds
- 15.9% up to 100.0 Mbps
- 3.7% up to 75.0 Mbps
- 39.6% up to 25.0 Mbps
- 40.8% up to 10.0 Mbps
AT&T DSL upload speeds
In Lock Three download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the fastest compared to other Lock Three DSL providers. AT&T offers 3 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 Lock Three is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 6.3 Mbps.
Show all upload speeds
- 19.6% up to 20.0 Mbps
- 39.6% up to 5.0 Mbps
- 40.8% up to 1.0 Mbps
EarthLink DSL in Lock Three, AL

EarthLink DSL coverage
About 93.67%, or 429 people, have EarthLink DSL internet available to them in the city. The company covers the northwest, north, and west Lock Three area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Lock Three.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Lock Three. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 4 different maximum speeds throughout Lock Three. The fastest plan anyone in Lock Three can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Lock Three customers is up to 33 Mbps.
Show all download speeds
- 15.9% up to 100.0 Mbps
- 3.7% up to 75.0 Mbps
- 39.6% up to 25.0 Mbps
- 40.8% up to 10.0 Mbps
EarthLink DSL upload speeds
In Lock Three download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the fastest compared to other Lock Three DSL providers. EarthLink offers 3 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 Lock Three is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 6.3 Mbps.
Show all upload speeds
- 19.6% up to 20.0 Mbps
- 39.6% up to 5.0 Mbps
- 40.8% up to 1.0 Mbps
Lock Three DSL by Area
This information is most helpful to those looking for homes or considering moving to Lock Three or any of the areas nearby.
How does DSL internet in Lock Three compare to the rest of Alabama?
DSL internet speeds in Lock Three are much faster versus the average speeds in Alabama: 0.00 Mbps in Alabama versus 33 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Alabama is 0.00% versus 93.67% in Lock Three.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Lock Three 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
- Thorntontown, AL: less DSL coverage, slower speeds
- Red Bank, AL: less DSL coverage, slower speeds
- Mitchelltown, AL: less DSL coverage, slower speeds
- Rogersville, AL: less DSL coverage, slower speeds
- Killen, AL: less DSL coverage, faster speeds
- Lock Six, AL: more DSL coverage, slower speeds
- Whitehead, AL: less DSL coverage, slower speeds
- Nitrate City, AL: less DSL coverage, slower speeds
- Lakeview Highlands, AL: less DSL coverage, slower speeds
- Oliver, AL: less DSL coverage, slower speeds
Cities with Similar Populations
- Van Wert, IA: less DSL coverage, faster speeds
- Dunningville, MI: less DSL coverage, faster speeds
- East Alton, NH: less DSL coverage, slower speeds
- East Berkshire, VT: less DSL coverage, faster speeds
- East Dorset, VT: less DSL coverage, slower speeds
- Eau Claire, PA: more DSL coverage, faster speeds
- Troy Town, WV: less DSL coverage, faster speeds
- Tuggle, VA: more DSL coverage, faster speeds
- Tuppers Plains, OH: more DSL coverage, faster speeds
- Tuskahoma, OK: less DSL coverage, slower speeds


