In Greenbrier there are 2 residential Cable providers covering 71.93% of the city. The average home can get speeds up to 1,300 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 Greenbrier, MD.
To see availability maps for all providers including fiber, cable, DSL, and more in Greenbrier, MD please click below.
Greenbrier, MD Availability Maps
Cable Internet Service Providers in Greenbrier
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 Greenbrier are not shown.
Greenbrier 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 Greenbrier is cable internet available?
Cable Internet Availability Key
Cable is available in 71.93% of Greenbrier. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Antietam Broadband. Call one of the companies with service in Greenbrier above to see who has service at your home.
How fast is cable internet in Greenbrier?
The map below shows maximum cable internet speeds by area in Greenbrier.
Cable Internet Speed Key
The average Greenbrier home can get up to 1,300 Mbps on their cable internet plan. The fastest cable download speed in the city is 1,300 Mbps, which 71.93% of residents can get.
Is cable the fastest internet I can get in Greenbrier?
The fastest internet for you may vary based on where in Greenbrier you live. In general, fixed wireless competes most often with cable in the city.
- Fiber is the fastest internet type for less than 1% of Greenbrier homes.
- Cable is fastest for 71.93% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 28.07%.
- Satellite internet may be the only option for less than 1% of Greenbrier homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Greenbrier, along with details on where in Greenbrier and at what speeds.
Antietam Broadband Cable in Greenbrier, MD
Antietam Broadband cable coverage
About 71.93%, or 41 people, have Antietam Broadband cable internet available to them in the city. The company covers the entire Greenbrier area. Antietam Broadband is a large internet service provider internet service providers in the US, with internet service available in much of Greenbrier.
Antietam Broadband cable download speeds
Antietam Broadband is the fastest when comparing download speeds to all other internet providers in Greenbrier. Versus other cable providers in the area, Antietam Broadband cable is the fastest. There are no different maximum speeds throughout Greenbrier. The fastest plan anyone in Greenbrier can order from Antietam Broadband goes up to 1,300 Mbps, and all Greenbrier customers can get this speed.
Show all download speeds
- 100.0% up to 1,300.0 Mbps
Antietam Broadband cable upload speeds
In Greenbrier download speeds tend to be faster than than upload speeds for Antietam Broadband cable. Compared to other ISPs, Antietam Broadband is below average where upload speeds are concerned, and the fastest compared to other Greenbrier cable providers. Antietam Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Greenbrier is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
XFINITY from Comcast Cable in Greenbrier, MD
XFINITY cable coverage
About 52.63%, or 30 people, have XFINITY cable internet available to them in the city. The company covers the entire Greenbrier area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Greenbrier.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Greenbrier. Versus other cable providers in the area, XFINITY cable is the slowest. There are no different maximum speeds throughout Greenbrier. The fastest plan anyone in Greenbrier can order from XFINITY goes up to 1,200 Mbps, and all Greenbrier customers can get this speed.
Show all download speeds
- 100.0% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Greenbrier 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 slowest compared to other Greenbrier cable providers. XFINITY offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Greenbrier is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Greenbrier Cable by Area
This information is most helpful to those looking for homes or considering moving to Greenbrier or any of the areas nearby.
How does cable internet in Greenbrier compare to the rest of Maryland?
Cable internet speeds in Greenbrier are much faster versus the average speeds in Maryland: 0.00 Mbps in Maryland versus 1,300 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Maryland is 0.00% versus 71.93% in Greenbrier.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Greenbrier 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
- Myersville, MD: more cable coverage, faster speeds
- Boonsboro, MD: more cable coverage, faster speeds
- Jugtown, MD: more cable coverage, similar speeds
- Middlepoint, MD: more cable coverage, faster speeds
- Pondsville, MD: more cable coverage, slower speeds
- Eakles Mill, MD: more cable coverage, faster speeds
- Burtner, MD: more cable coverage, similar speeds
- Funkstown, MD: more cable coverage, similar speeds
- St. James, MD: more cable coverage, similar speeds
- Pleasant Valley, MD: more cable coverage, faster speeds
Cities with Similar Populations
- Warden, WV: more cable coverage, slower speeds
- Herman, NJ: more cable coverage, faster speeds
- Hermosa, CO: more cable coverage, slower speeds
- Herndon Heights, WV: more cable coverage, faster speeds
- Heathville, PA: less cable coverage, slower speeds
- Virginia Colony, CA: less cable coverage, slower speeds
- Hopedale, LA: more cable coverage, faster speeds
- Hartland, CT: more cable coverage, faster speeds
- Harney, MD: less cable coverage, slower speeds
- Hare Valley, VA: less cable coverage, slower speeds