In Greenbrier there are 10 residential internet providers covering 100.00% of the city. The average home can get speeds up to 963 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.
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10 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
Availability maps for all providers in Greenbrier
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
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Internet service is available in 100.00% of Greenbrier. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is Antietam Broadband. Now you can call companies in Greenbrier with more confidence that they might be available.
How fast are internet speeds in Greenbrier?
The map below shows maximum internet speeds by area in Greenbrier.

Internet Speed Key
The average Greenbrier home can get up to 963 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,300 Mbps, which 71.93% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 28.07% of homes can only purchase plans up to 100 Mbps. See the internet provider details below for info about their speed and coverage in Greenbrier.-->
What type of internet should I choose in Greenbrier?
The fastest internet for you may vary based on where in Greenbrier you live. If speed is your main concern, cable will be the fastest internet 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.
Internet Market Health in Greenbrier

Internet Competition Key
The map shows how competitive the Greenbrier internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in Greenbrier based on what connections the average home has availabile:
- Average number of internet service providers to a home: 6.8 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 2.2 (unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 5.5 (very healthy)
Overall, competition is healthy.
Greenbrier internet customers have the ability to buy internet service from 4 to 9 different providers, depending on where they live. For different types of service, Greenbrier homes have between 1 and 3 options. The type(s) of service available are fixed wireless, cable, and fiber, though these may vary depending on the region within the city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Greenbrier internet customers who want faster speeds have between 2 and 8 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, Greenbrier is doing better than most.
TV & Internet 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
XFINITY from Comcast Fiber in Greenbrier, MD

XFINITY fiber coverage
About 52.63%, or 30 people, have XFINITY fiber 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 fiber download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Greenbrier. Versus other fiber providers in the area, XFINITY fiber is the fastest. There are no different maximum speeds throughout Greenbrier. The fastest plan anyone in Greenbrier can order from XFINITY goes up to 1,000 Mbps, and all Greenbrier customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
XFINITY from Comcast fiber upload speeds
In Greenbrier download speeds tend to be equal to than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is the fastest where upload speeds are concerned, and the fastest compared to other Greenbrier fiber 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 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
T-Mobile Home Internet Fixed Wireless in Greenbrier, MD

T-Mobile Home Internet fixed wireless coverage
About 100.00%, or 57 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Greenbrier area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of Greenbrier.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in Greenbrier. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is average. There are 2 different maximum speeds throughout Greenbrier. The fastest plan anyone in Greenbrier can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Greenbrier customers is up to 86 Mbps.
Show all download speeds
- 80.7% up to 100.0 Mbps
- 19.3% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Greenbrier download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and above average compared to other Greenbrier fixed wireless providers. T-Mobile Home Internet 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 Greenbrier is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 17 Mbps.
Show all upload speeds
- 80.7% up to 20.0 Mbps
- 19.3% up to 3.0 Mbps
AT&T Fixed Wireless in Greenbrier, MD

AT&T fixed wireless coverage
About 100.00%, or 57 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire Greenbrier area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of Greenbrier.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Greenbrier. Versus other fixed wireless providers in the area, AT&T fixed wireless is below average. There are no different maximum speeds throughout Greenbrier. The fastest plan anyone in Greenbrier can order from AT&T goes up to 25 Mbps, and all Greenbrier customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Greenbrier download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and below average compared to other Greenbrier fixed wireless providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Greenbrier is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
EarthLink Fixed Wireless in Greenbrier, MD

EarthLink fixed wireless coverage
About 100.00%, or 57 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire Greenbrier area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of Greenbrier.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Greenbrier. Versus other fixed wireless providers in the area, EarthLink fixed wireless is below average. There are 2 different maximum speeds throughout Greenbrier. The fastest plan anyone in Greenbrier can order from EarthLink goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Greenbrier customers is up to 21 Mbps.
Show all download speeds
- 71.9% up to 25.0 Mbps
- 28.1% up to 10.0 Mbps
EarthLink fixed wireless upload speeds
In Greenbrier download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and below average compared to other Greenbrier fixed wireless 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 Greenbrier is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 6.1 Mbps.
Show all upload speeds
- 52.6% up to 10.0 Mbps
- 19.3% up to 3.0 Mbps
- 28.1% up to 1.0 Mbps
One Ring Networks Fixed Wireless in Greenbrier, MD

One Ring Networks fixed wireless coverage
About 80.70%, or 46 people, have One Ring Networks fixed wireless internet available to them in the city. The company covers the entire Greenbrier area. One Ring Networks is a large internet service provider internet service providers in the US, with internet service available in much of Greenbrier.
One Ring Networks fixed wireless download speeds
One Ring Networks is below average when comparing download speeds to all other internet providers in Greenbrier. Versus other fixed wireless providers in the area, One Ring Networks fixed wireless is below average. There are 2 different maximum speeds throughout Greenbrier. The fastest plan anyone in Greenbrier can order from One Ring Networks goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Greenbrier customers is up to 20 Mbps.
Show all download speeds
- 65.2% up to 25.0 Mbps
- 34.8% up to 10.0 Mbps
One Ring Networks fixed wireless upload speeds
In Greenbrier download speeds tend to be faster than than upload speeds for One Ring Networks fixed wireless. Compared to other ISPs, One Ring Networks is below average where upload speeds are concerned, and below average compared to other Greenbrier fixed wireless providers. One Ring Networks 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 Greenbrier is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, One Ring Networks customers can get speeds up to 6.9 Mbps.
Show all upload speeds
- 65.2% up to 10.0 Mbps
- 34.8% up to 1.0 Mbps
US Cellular Fixed Wireless in Greenbrier, MD

US Cellular fixed wireless coverage
About 71.93%, or 41 people, have US Cellular fixed wireless internet available to them in the city. The company covers the entire Greenbrier area. US Cellular is one of the largest internet service providers internet service providers in the US, with internet service available in much of Greenbrier.
US Cellular fixed wireless download speeds
US Cellular is the slowest when comparing download speeds to all other internet providers in Greenbrier. Versus other fixed wireless providers in the area, US Cellular fixed wireless is the slowest. There are no different maximum speeds throughout Greenbrier. The fastest plan anyone in Greenbrier can order from US Cellular goes up to 10 Mbps, and all Greenbrier customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
US Cellular fixed wireless upload speeds
In Greenbrier download speeds tend to be faster than than upload speeds for US Cellular fixed wireless. Compared to other ISPs, US Cellular is the slowest where upload speeds are concerned, and the slowest compared to other Greenbrier fixed wireless providers. US Cellular offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Greenbrier is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Verizon Fixed Wireless in Greenbrier, MD

Verizon fixed wireless coverage
About 52.63%, or 30 people, have Verizon fixed wireless internet available to them in the city. The company covers the entire Greenbrier area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Greenbrier.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Greenbrier. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Greenbrier. The fastest plan anyone in Greenbrier can order from Verizon goes up to 300 Mbps, and all Greenbrier customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Greenbrier download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and the fastest compared to other Greenbrier fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Greenbrier is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Greenbrier Internet 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 internet in Greenbrier compare to the rest of Maryland?
Internet speeds in Greenbrier are slower versus the average speeds in Maryland: 2,041 Mbps in Maryland versus 963 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Maryland is 98.96% versus 100.00% in Greenbrier.
What zip codes have widespread internet?
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 internet service 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: less internet coverage, faster speeds
- Boonsboro, MD: less internet coverage, faster speeds
- Jugtown, MD: equal internet coverage, faster speeds
- Middlepoint, MD: less internet coverage, faster speeds
- Pondsville, MD: equal internet coverage, faster speeds
- Eakles Mill, MD: equal internet coverage, faster speeds
- Burtner, MD: equal internet coverage, faster speeds
- Funkstown, MD: equal internet coverage, faster speeds
- St. James, MD: equal internet coverage, faster speeds
- Pleasant Valley, MD: equal internet coverage, faster speeds
Cities with Similar Populations
- Hewins, KS: less internet coverage, slower speeds
- Warden, WV: equal internet coverage, faster speeds
- Heil, ND: equal internet coverage, faster speeds
- Helen Furnace, PA: equal internet coverage, slower speeds
- Herman, NJ: equal internet coverage, faster speeds
- Hermosa, CO: less internet coverage, faster speeds
- Herndon Heights, WV: less internet coverage, faster speeds
- Hesper, IA: equal internet coverage, slower speeds
- Hessdale, KS: equal internet coverage, slower speeds
- Heathville, PA: equal internet coverage, slower speeds


