In Sheffield there is 1 residential Cable provider covering 99.46% of the city. The average home can get speeds up to 1,215 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 Sheffield, AL.
To see availability maps for all providers including fiber, cable, DSL, and more in Sheffield, AL please click below.
Sheffield, AL Availability Maps
Cable Internet Service Provider in Sheffield
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 Sheffield are not shown.
Sheffield 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 Sheffield is cable internet available?
Cable Internet Availability Key
Cable is available in 99.46% of Sheffield. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is XFINITY. Call one of the companies with service in Sheffield above to see who has service at your home.
How fast is cable internet in Sheffield?
The map below shows maximum cable internet speeds by area in Sheffield.
Cable Internet Speed Key
The average Sheffield home can get up to 1,215 Mbps on their cable internet plan. The fastest cable download speed in the city is 2,000 Mbps, which 1.82% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 97.64% of homes can only purchase plans up to 1,200 Mbps. See the internet provider details below for info about their speed and coverage in Sheffield.
Cable internet speeds tend to be faster in the northeast parts of Sheffield, and slower in the southwest areas of the city.
Is cable the fastest internet I can get in Sheffield?
The fastest internet for you may vary based on where in Sheffield you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 45.24% of Sheffield homes.
- Cable is fastest for 54.22% 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 Sheffield homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Sheffield, along with details on where in Sheffield and at what speeds.
XFINITY from Comcast Cable in Sheffield, AL
XFINITY cable coverage
About 99.46%, or 9,399 people, have XFINITY cable internet available to them in the city. The company covers the entire Sheffield area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Sheffield.
XFINITY from Comcast cable download speeds
XFINITY is below average when comparing download speeds to all other internet providers in Sheffield. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Sheffield. The fastest plan anyone in Sheffield can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the city-wide average maximum speed for Sheffield customers is up to 1,215 Mbps.
Show all download speeds
- 1.8% up to 2,000.0 Mbps
- 98.2% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Sheffield download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the fastest compared to other Sheffield cable providers. XFINITY 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 Sheffield is up to 250 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 39 Mbps.
Show all upload speeds
- 1.8% up to 250.0 Mbps
- 98.2% up to 35.0 Mbps
Sheffield Cable by Area
This information is most helpful to those looking for homes or considering moving to Sheffield or any of the areas nearby.
How does cable internet in Sheffield compare to the rest of Alabama?
Cable internet speeds in Sheffield are much faster versus the average speeds in Alabama: 0.00 Mbps in Alabama versus 1,215 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Alabama is 0.00% versus 99.46% in Sheffield.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Sheffield 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
- Tuscumbia, AL: less cable coverage, faster speeds
- Muscle Shoals, AL: less cable coverage, faster speeds
- Steenson Hollow, AL: more cable coverage, slower speeds
- Wilson Lake Shores, AL: more cable coverage, slower speeds
- Cedar Hills Estates, AL: less cable coverage, slower speeds
- Mansion View, AL: more cable coverage, slower speeds
- Colonial Heights, AL: less cable coverage, slower speeds
- Lakeview Highlands, AL: more cable coverage, slower speeds
- Florence, AL: less cable coverage, faster speeds
- Oakland, AL: less cable coverage, slower speeds
Cities with Similar Populations
- Gonzales, CA: less cable coverage, slower speeds
- St. Pete Beach, FL: more cable coverage, slower speeds
- St. Pauls, NC: less cable coverage, slower speeds
- St. Joseph, MN: less cable coverage, faster speeds
- St. Francis, WI: more cable coverage, slower speeds
- St. Francis, MN: less cable coverage, faster speeds
- St. Augustine Shores, FL: more cable coverage, faster speeds
- Harrisburg, SD: less cable coverage, faster speeds
- Harrington, DE: less cable coverage, faster speeds
- Harpers Ferry, WV: less cable coverage, faster speeds