In 21539 there are 10 residential internet providers covering 99.75% of the zip. The average home can get speeds up to 1,762 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 21539
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 21539 are not shown.
21539 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 21539
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 99.75% of 21539. 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 XFINITY. Now you can call companies in 21539 with more confidence that they might be available.
How fast are internet speeds in 21539?
The map below shows maximum internet speeds by area in 21539.
Internet Speed Key
The average 21539 home can get up to 1,762 Mbps on their internet plan. For most people, the fastest download speed in the zip is 2,000 Mbps, which 78.33% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 2.03% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in 21539.
Internet speeds tend to be faster in the southeast parts of 21539, and slower in the northwest areas of the zip.
What type of internet should I choose in 21539?
The fastest internet for you may vary based on where in 21539 you live. If speed is your main concern, cable will be the fastest internet in the zip.
- Fiber is the fastest internet type for 14.69% of 21539 homes.
- Cable is fastest for 78.58% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 6.48%.
- Satellite internet may be the only option for less than 1% of 21539 homes.
Internet Market Health in 21539
Internet Competition Key
The map shows how competitive the 21539 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 21539 based on what connections the average home has availabile:
- Average number of internet service providers to a home: 5.3 (healthy)
- Average types of service (fiber, cable, DSL, etc): 2.0 (very unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 5.1 (healthy)
Overall, competition is unhealthy.
21539 internet customers have the ability to buy internet service from 1 to 8 different providers, depending on where they live. For different types of service, 21539 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 zip.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. 21539 internet customers who want faster speeds have between 1 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, 21539 needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in 21539, along with details on where in 21539 and at what speeds.
XFINITY from Comcast Cable in 21539, MD
XFINITY cable coverage
About 82.94%, or 1,998 people, have XFINITY cable internet available to them in the zip. The company covers the entire 21539 area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in much of 21539.
XFINITY from Comcast cable download speeds
XFINITY is the fastest when comparing download speeds to all other internet providers in 21539. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout 21539. The fastest plan anyone in 21539 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 21539 customers is up to 1,956 Mbps.
Show all download speeds
- 94.4% up to 2,000.0 Mbps
- 5.6% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In 21539 download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is above average where upload speeds are concerned, and the fastest compared to other 21539 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 21539 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 238 Mbps.
Show all upload speeds
- 94.4% up to 250.0 Mbps
- 5.6% up to 35.0 Mbps
XFINITY from Comcast Fiber in 21539, MD
XFINITY fiber coverage
About 14.69%, or 354 people, have XFINITY fiber internet available to them in the zip. The company covers the northwest 21539 area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 21539.
XFINITY from Comcast fiber download speeds
XFINITY is above average when comparing download speeds to all other internet providers in 21539. Versus other fiber providers in the area, XFINITY fiber is the fastest. There are no different maximum speeds throughout 21539. The fastest plan anyone in 21539 can order from XFINITY goes up to 1,200 Mbps, and all 21539 customers can get this speed.
Show all download speeds
- 100.0% up to 1,200.0 Mbps
XFINITY from Comcast fiber upload speeds
In 21539 download speeds tend to be faster than than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the slowest compared to other 21539 fiber providers. XFINITY offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21539 is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Neubeam Fiber in 21539, MD
Neubeam fiber coverage
About 4.03%, or 97 people, have Neubeam fiber internet available to them in the zip. The company covers the northwest 21539 area. Neubeam is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 21539.
Neubeam fiber download speeds
Neubeam is above average when comparing download speeds to all other internet providers in 21539. Versus other fiber providers in the area, Neubeam fiber is the slowest. There are no different maximum speeds throughout 21539. The fastest plan anyone in 21539 can order from Neubeam goes up to 1,000 Mbps, and all 21539 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Neubeam fiber upload speeds
In 21539 download speeds tend to be equal to than upload speeds for Neubeam fiber. Compared to other ISPs, Neubeam is the fastest where upload speeds are concerned, and the fastest compared to other 21539 fiber providers. Neubeam offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21539 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 21539, MD
T-Mobile Home Internet fixed wireless coverage
About 97.26%, or 2,343 people, have T-Mobile Home Internet fixed wireless internet available to them in the zip. The company covers the entire 21539 area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of 21539.
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 21539. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout 21539. The fastest plan anyone in 21539 can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the zip-wide average maximum speed for 21539 customers is up to 85 Mbps.
Show all download speeds
- 80.4% up to 100.0 Mbps
- 19.6% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In 21539 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 average compared to other 21539 fixed wireless providers. T-Mobile Home Internet 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 21539 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
- 80.4% up to 20.0 Mbps
- 19.6% up to 3.0 Mbps
EarthLink Fixed Wireless in 21539, MD
EarthLink fixed wireless coverage
About 86.09%, or 2,074 people, have EarthLink fixed wireless internet available to them in the zip. The company covers the southeast, south, central, east, northwest, northeast, north, and southwest 21539 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of 21539.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in 21539. Versus other fixed wireless providers in the area, EarthLink fixed wireless is below average. There are 2 different maximum speeds throughout 21539. The fastest plan anyone in 21539 can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the zip-wide average maximum speed for 21539 customers is up to 47 Mbps.
Show all download speeds
- 30.0% up to 100.0 Mbps
- 70.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In 21539 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 21539 fixed wireless providers. EarthLink 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 21539 is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 8.1 Mbps.
Show all upload speeds
- 30.0% up to 20.0 Mbps
- 70.0% up to 3.0 Mbps
AT&T Fixed Wireless in 21539, MD
AT&T fixed wireless coverage
About 86.09%, or 2,074 people, have AT&T fixed wireless internet available to them in the zip. The company covers the southeast, south, central, east, northwest, northeast, north, and southwest 21539 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of 21539.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in 21539. Versus other fixed wireless providers in the area, AT&T fixed wireless is below average. There are 2 different maximum speeds throughout 21539. The fastest plan anyone in 21539 can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the zip-wide average maximum speed for 21539 customers is up to 47 Mbps.
Show all download speeds
- 30.0% up to 100.0 Mbps
- 70.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In 21539 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 21539 fixed wireless providers. AT&T 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 21539 is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 8.1 Mbps.
Show all upload speeds
- 30.0% up to 20.0 Mbps
- 70.0% up to 3.0 Mbps
Verizon Fixed Wireless in 21539, MD
Verizon fixed wireless coverage
About 83.35%, or 2,008 people, have Verizon fixed wireless internet available to them in the zip. The company covers the central, southeast, south, northwest, east, northeast, north, and southwest 21539 area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in much of 21539.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in 21539. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout 21539. The fastest plan anyone in 21539 can order from Verizon goes up to 300 Mbps, and all 21539 customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In 21539 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 above average compared to other 21539 fixed wireless providers. Verizon offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21539 is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
US Cellular Fixed Wireless in 21539, MD
US Cellular fixed wireless coverage
About 31.13%, or 750 people, have US Cellular fixed wireless internet available to them in the zip. The company covers the northwest, southeast, east, central, northeast, and west 21539 area. US Cellular is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of 21539.
US Cellular fixed wireless download speeds
US Cellular is the slowest when comparing download speeds to all other internet providers in 21539. Versus other fixed wireless providers in the area, US Cellular fixed wireless is the slowest. There are 2 different maximum speeds throughout 21539. The fastest plan anyone in 21539 can order from US Cellular goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 21539 customers is up to 14 Mbps.
Show all download speeds
- 27.3% up to 25.0 Mbps
- 72.7% up to 10.0 Mbps
US Cellular fixed wireless upload speeds
In 21539 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 21539 fixed wireless providers. US Cellular 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 21539 is up to 3.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, US Cellular customers can get speeds up to 1.5 Mbps.
Show all upload speeds
- 27.3% up to 3.0 Mbps
- 72.7% up to 1.0 Mbps
SkyPacket Networks Fixed Wireless in 21539, MD
SkyPacket Networks fixed wireless coverage
About 28.39%, or 684 people, have SkyPacket Networks fixed wireless internet available to them in the zip. The company covers the southeast, south, central, east, northeast, north, and southwest 21539 area. SkyPacket Networks is a large internet service provider internet service providers in the US, with internet service available in a small portion of 21539.
SkyPacket Networks fixed wireless download speeds
SkyPacket Networks is below average when comparing download speeds to all other internet providers in 21539. Versus other fixed wireless providers in the area, SkyPacket Networks fixed wireless is below average. There are 2 different maximum speeds throughout 21539. The fastest plan anyone in 21539 can order from SkyPacket Networks goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the zip-wide average maximum speed for 21539 customers is up to 58 Mbps.
Show all download speeds
- 44.2% up to 100.0 Mbps
- 55.8% up to 25.0 Mbps
SkyPacket Networks fixed wireless upload speeds
In 21539 download speeds tend to be faster than than upload speeds for SkyPacket Networks fixed wireless. Compared to other ISPs, SkyPacket Networks is below average where upload speeds are concerned, and below average compared to other 21539 fixed wireless providers. SkyPacket Networks 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 21539 is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, SkyPacket Networks customers can get speeds up to 11 Mbps.
Show all upload speeds
- 44.2% up to 20.0 Mbps
- 55.8% up to 3.0 Mbps
Neubeam Fixed Wireless in 21539, MD
Neubeam fixed wireless coverage
About 19.39%, or 467 people, have Neubeam fixed wireless internet available to them in the zip. The company covers the northwest 21539 area. Neubeam is a large internet service provider internet service providers in the US, with internet service available in a small portion of 21539.
Neubeam fixed wireless download speeds
Neubeam is below average when comparing download speeds to all other internet providers in 21539. Versus other fixed wireless providers in the area, Neubeam fixed wireless is above average. There are 2 different maximum speeds throughout 21539. The fastest plan anyone in 21539 can order from Neubeam goes up to 300 Mbps, the slowest package only goes up to 25 Mbps, and the zip-wide average maximum speed for 21539 customers is up to 281 Mbps.
Show all download speeds
- 92.9% up to 300.0 Mbps
- 7.1% up to 25.0 Mbps
Neubeam fixed wireless upload speeds
In 21539 download speeds tend to be faster than than upload speeds for Neubeam fixed wireless. Compared to other ISPs, Neubeam is below average where upload speeds are concerned, and the fastest compared to other 21539 fixed wireless providers. Neubeam 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 21539 is up to 40 Mbps. Some customers have slower plan choices, which only go up to 10 Mbps. On average, Neubeam customers can get speeds up to 38 Mbps.
Show all upload speeds
- 92.9% up to 40.0 Mbps
- 7.1% up to 10.0 Mbps
21539 Internet by Area
This information is most helpful to those looking for homes or considering moving to 21539 or any of the areas nearby.
How does internet in 21539 compare to the rest of Maryland?
Internet speeds in 21539 are slower versus the average speeds in Maryland: 2,041 Mbps in Maryland versus 1,762 Mbps in the zip. The state has similar internet availability compared to the zip. Average internet coverage in Maryland is 98.96% versus 99.75% in 21539.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around 21539 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 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
- 21542, MD: more internet coverage, faster speeds
- 21521, MD: less internet coverage, faster speeds
- 21543, MD: less internet coverage, slower speeds
- 21532, MD: less internet coverage, faster speeds
- 21557, MD: more internet coverage, slower speeds
- 21562, MD: less internet coverage, faster speeds
- 26750, WV: more internet coverage, faster speeds
- 21540, MD: more internet coverage, slower speeds
- 21523, MD: more internet coverage, slower speeds
- 21545, MD: more internet coverage, slower speeds
Zip Codes with Similar Populations
- 05673, VT: more internet coverage, slower speeds
- 12583, NY: more internet coverage, slower speeds
- 14012, NY: more internet coverage, slower speeds
- 18915, PA: more internet coverage, faster speeds
- 49887, MI: less internet coverage, slower speeds
- 98828, WA: less internet coverage, slower speeds
- 51579, IA: less internet coverage, slower speeds
- 53044, WI: less internet coverage, faster speeds
- 54819, WI: less internet coverage, slower speeds
- 56361, MN: more internet coverage, slower speeds