In Cardiff there is 1 residential Cable provider covering 96.23% of the city. The average home can get speeds up to 1,000 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 Cable internet providers in Cardiff, AL.
To see availability maps for all providers including fiber, cable, DSL, and more in Cardiff, AL please click below.
Cable Internet Service Provider in Cardiff
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 Cardiff are not shown.
Cardiff 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 Cardiff is cable internet available?
Cable Internet Availability Key
Cable is available in 96.23% of Cardiff. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Spectrum. Call one of the companies with service in Cardiff above to see who has service at your home.
How fast is cable internet in Cardiff?
The map below shows maximum cable internet speeds by area in Cardiff.
Cable Internet Speed Key
The average Cardiff home can get up to 1,000 Mbps on their cable internet plan. The fastest cable download speed in the city is 1,000 Mbps, which 96.23% of residents can get.
Is cable the fastest internet I can get in Cardiff?
The fastest internet for you may vary based on where in Cardiff you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 55.66% of Cardiff homes.
- Cable is fastest for 40.57% of the city.
- DSL is fastest for 3.77%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of Cardiff homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Cardiff, along with details on where in Cardiff and at what speeds.
Spectrum Cable in Cardiff, AL
Spectrum cable coverage
About 96.23%, or 204 people, have Spectrum cable internet available to them in the city. The company covers the entire Cardiff area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Cardiff.
Spectrum cable download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Cardiff. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout Cardiff. The fastest plan anyone in Cardiff can order from Spectrum goes up to 1,000 Mbps, and all Cardiff customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Cardiff download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the fastest compared to other Cardiff cable providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Cardiff is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Cardiff Cable by Area
This information is most helpful to those looking for homes or considering moving to Cardiff or any of the areas nearby.
How does cable internet in Cardiff compare to the rest of Alabama?
Cable internet speeds in Cardiff are much faster versus the average speeds in Alabama: 0.00 Mbps in Alabama versus 1,000 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Alabama is 0.00% versus 96.23% in Cardiff.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Cardiff are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does cable 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
- Mount Olive, AL: more cable coverage, similar speeds
- Brookside, AL: less cable coverage, similar speeds
- Sayre, AL: less cable coverage, similar speeds
- Graysville, AL: less cable coverage, similar speeds
- Gardendale, AL: less cable coverage, similar speeds
- Adamsville, AL: less cable coverage, similar speeds
- Fultondale, AL: more cable coverage, similar speeds
- Forestdale, AL: more cable coverage, similar speeds
- Dora, AL: more cable coverage, similar speeds
- Docena, AL: more cable coverage, similar speeds
Cities with Similar Populations
- Manheim Center, NY: less cable coverage, similar speeds
- Zephyr, NC: more cable coverage, similar speeds
- Nickleville, PA: less cable coverage, slower speeds
- Parris Island, SC: more cable coverage, faster speeds
- Fair Oaks, AR: less cable coverage, similar speeds
- Cambridge, KS: less cable coverage, similar speeds
- Maple Springs, NY: less cable coverage, similar speeds
- Oakdale, WV: less cable coverage, slower speeds
- Webertown, OH: less cable coverage, similar speeds
- walpole-il: less cable coverage, slower speeds