In Montgomery County there are 2 residential Cable providers covering 99.23% of the county. The average home can get speeds up to 1,915 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 Montgomery County, MD.
To see availability maps for all providers including fiber, cable, DSL, and more in Montgomery County, MD please click below.
Montgomery County, MD Availability Maps
Cable Internet Service Providers in Montgomery County
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 Montgomery County are not shown.
Montgomery County 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 Montgomery County is cable internet available?
Cable Internet Availability Key
Cable is available in 99.23% of Montgomery County. 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 Montgomery County above to see who has service at your home.
How fast is cable internet in Montgomery County?
The map below shows maximum cable internet speeds by area in Montgomery County.
Cable Internet Speed Key
The average Montgomery County home can get up to 1,915 Mbps on their cable internet plan. The fastest cable download speed in the county is 2,000 Mbps, which 87.97% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 9.20% 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 Montgomery County.
Cable internet speeds tend to be faster in the central parts of Montgomery County, and slower in the northeast areas of the county.
Is cable the fastest internet I can get in Montgomery County?
The fastest internet for you may vary based on where in Montgomery County you live. In general, fiber competes most often with cable in the county.
- Fiber is the fastest internet type for 51.69% of Montgomery County homes.
- Cable is fastest for 47.94% of the county.
- 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 Montgomery County homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Montgomery County, along with details on where in Montgomery County and at what speeds.
XFINITY from Comcast Cable in Montgomery County, MD
XFINITY cable coverage
About 99.23%, or 1,053,898 people, have XFINITY cable internet available to them in the county. The company covers the entire Montgomery County area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Montgomery County.
XFINITY from Comcast cable download speeds
XFINITY is the fastest when comparing download speeds to all other internet providers in Montgomery County. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Montgomery County. The fastest plan anyone in Montgomery County can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the county-wide average maximum speed for Montgomery County customers is up to 1,909 Mbps.
Show all download speeds
- 88.6% up to 2,000.0 Mbps
- 11.4% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Montgomery County 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 Montgomery County cable providers. XFINITY offers 3 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Montgomery County is up to 2,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 252 Mbps.
Show all upload speeds
- 1.5% up to 2,000.0 Mbps
- 87.1% up to 250.0 Mbps
- 11.4% up to 35.0 Mbps
Astound Broadband Cable in Montgomery County, MD
Astound Broadband cable coverage
About 23.14%, or 245,798 people, have Astound Broadband cable internet available to them in the county. The company covers the southeast, northwest, south, east, central, and west Montgomery County area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Montgomery County.
Astound Broadband cable download speeds
Astound Broadband is above average when comparing download speeds to all other internet providers in Montgomery County. Versus other cable providers in the area, Astound Broadband cable is the slowest. There are no different maximum speeds throughout Montgomery County. The fastest plan anyone in Montgomery County can order from Astound Broadband goes up to 1,500 Mbps, and all Montgomery County customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
Astound Broadband cable upload speeds
In Montgomery County download speeds tend to be faster than than upload speeds for Astound Broadband cable. Compared to other ISPs, Astound Broadband is below average where upload speeds are concerned, and the slowest compared to other Montgomery County cable providers. Astound Broadband offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Montgomery County is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Montgomery County Cable by Area
This information is most helpful to those looking for homes or considering moving to Montgomery County or any of the areas nearby.
How does cable internet in Montgomery County compare to the rest of Maryland?
Cable internet speeds in Montgomery County are much faster versus the average speeds in Maryland: 0.00 Mbps in Maryland versus 1,915 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in Maryland is 0.00% versus 99.23% in Montgomery County.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Montgomery County 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 counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- District of Columbia, DC: less cable coverage, faster speeds
- Prince George's County, MD: less cable coverage, faster speeds
- Loudoun County, VA: less cable coverage, slower speeds
- Anne Arundel County, MD: less cable coverage, slower speeds
- Clarke County, VA: less cable coverage, faster speeds
- Queen Anne's County, MD: less cable coverage, slower speeds
- Winchester City, VA: less cable coverage, faster speeds
- Frederick County, VA: less cable coverage, slower speeds
- Warren County, VA: less cable coverage, slower speeds
- Kent County, DE: less cable coverage, slower speeds
Counties with Similar Populations
- Hillsborough County, FL: less cable coverage, slower speeds
- Bronx County, NY: less cable coverage, slower speeds
- Mecklenburg County, NC: less cable coverage, slower speeds
- Broward County, FL: less cable coverage, slower speeds
- Marion County, IN: less cable coverage, slower speeds
- Middlesex County, MA: less cable coverage, slower speeds
- Bexar County, TX: less cable coverage, slower speeds
- Travis County, TX: less cable coverage, slower speeds
- Fairfax County, VA: less cable coverage, faster speeds
- Honolulu County, HI: less cable coverage, slower speeds