In 20903 there are 2 residential Cable providers covering 99.84% of the zip. The average home can get speeds up to 1,889 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 20903, MD.
To see availability maps for all providers including fiber, cable, DSL, and more in 20903, MD please click below.
Cable Internet Service Providers in 20903
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 20903 are not shown.
20903 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 20903 is cable internet available?
Cable Internet Availability Key
Cable is available in 99.84% of 20903. 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 20903 above to see who has service at your home.
How fast is cable internet in 20903?
The map below shows maximum cable internet speeds by area in 20903.
Cable Internet Speed Key
The average 20903 home can get up to 1,889 Mbps on their cable internet plan. The fastest cable download speed in the zip is 2,000 Mbps, which 83.35% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 9.46% 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 20903.
Cable internet speeds tend to be faster in the southwest parts of 20903, and slower in the northeast areas of the zip.
Is cable the fastest internet I can get in 20903?
The fastest internet for you may vary based on where in 20903 you live. In general, fiber competes most often with cable in the zip.
- Fiber is the fastest internet type for 81.26% of 20903 homes.
- Cable is fastest for 18.58% of the zip.
- 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 20903 homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in 20903, along with details on where in 20903 and at what speeds.
XFINITY from Comcast Cable in 20903, MD
XFINITY cable coverage
About 99.75%, or 23,735 people, have XFINITY cable internet available to them in the zip. The company covers the entire 20903 area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of 20903.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in 20903. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout 20903. The fastest plan anyone in 20903 can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the zip-wide average maximum speed for 20903 customers is up to 1,869 Mbps.
Show all download speeds
- 83.6% up to 2,000.0 Mbps
- 16.4% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In 20903 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 20903 cable providers. XFINITY offers 2 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 20903 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 215 Mbps.
Show all upload speeds
- 83.6% up to 250.0 Mbps
- 16.4% up to 35.0 Mbps
Astound Broadband Cable in 20903, MD
Astound Broadband cable coverage
About 61.09%, or 14,536 people, have Astound Broadband cable internet available to them in the zip. The company covers the southwest, central, south, east, west, and southeast 20903 area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of 20903.
Astound Broadband cable download speeds
Astound Broadband is above average when comparing download speeds to all other internet providers in 20903. Versus other cable providers in the area, Astound Broadband cable is the slowest. There are no different maximum speeds throughout 20903. The fastest plan anyone in 20903 can order from Astound Broadband goes up to 1,500 Mbps, and all 20903 customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
Astound Broadband cable upload speeds
In 20903 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 20903 cable providers. Astound Broadband offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 20903 is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
20903 Cable by Area
This information is most helpful to those looking for homes or considering moving to 20903 or any of the areas nearby.
How does cable internet in 20903 compare to the rest of Maryland?
Cable internet speeds in 20903 are much faster versus the average speeds in Maryland: 0.00 Mbps in Maryland versus 1,889 Mbps in the zip. The state has similar cable availability compared to the zip. Average cable coverage in Maryland is 0.00% versus 99.84% in 20903.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around 20903 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 zip codes?
Below are zip codes nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Zip Codes
- 20783, MD: more cable coverage, faster speeds
- 20901, MD: more cable coverage, slower speeds
- 20912, MD: more cable coverage, faster speeds
- 20742, MD: less cable coverage, faster speeds
- 20910, MD: more cable coverage, faster speeds
- 20740, MD: less cable coverage, faster speeds
- 20012, DC: more cable coverage, faster speeds
- 20782, MD: less cable coverage, faster speeds
- 20904, MD: more cable coverage, faster speeds
- 20902, MD: more cable coverage, faster speeds
Zip Codes with Similar Populations
- 02852, RI: less cable coverage, faster speeds
- 64114, MO: more cable coverage, slower speeds
- 53045, WI: less cable coverage, slower speeds
- 30528, GA: less cable coverage, slower speeds
- 29909, SC: less cable coverage, slower speeds
- 98292, WA: less cable coverage, slower speeds
- 95531, CA: less cable coverage, slower speeds
- 47404, IN: less cable coverage, slower speeds
- 44857, OH: less cable coverage, slower speeds
- 44024, OH: less cable coverage, slower speeds