In 21555 there are 9 residential internet providers covering 97.42% of the zip. The average home can get speeds up to 193 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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9 Internet Service Providers in 21555
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 21555 are not shown.
21555 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 21555
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 97.42% of 21555. 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 Verizon. Now you can call companies in 21555 with more confidence that they might be available.
How fast are internet speeds in 21555?
The map below shows maximum internet speeds by area in 21555.
Internet Speed Key
The average 21555 home can get up to 193 Mbps on their internet plan. For most people, the fastest download speed in the zip is 300 Mbps, which 50.58% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 14.29% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in 21555.
Internet speeds tend to be faster in the central parts of 21555, and slower in the southeast areas of the zip.
What type of internet should I choose in 21555?
The fastest internet for you may vary based on where in 21555 you live. If speed is your main concern, fixed wireless will be the fastest internet in the zip.
- Fiber is the fastest internet type for less than 1% of 21555 homes.
- Cable is fastest for less than 1% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 97.42%.
- Satellite internet may be the only option for 2.58% of 21555 homes.
Internet Market Health in 21555
Internet Competition Key
The map shows how competitive the 21555 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 21555 based on what connections the average home has availabile:
- Average number of internet service providers to a home: 3.6 (unhealthy)
- Average types of service (fiber, cable, DSL, etc): 1.0 (very unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 3.3 (unhealthy)
Overall, competition is very unhealthy.
21555 internet customers have the ability to buy internet service from 1 to 6 different providers, depending on where they live. For different types of service, 21555 homes have 1 option. The type(s) of service available are fixed wireless, 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. 21555 internet customers who want faster speeds have between 1 and 5 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, 21555 badly needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in 21555, along with details on where in 21555 and at what speeds.
T-Mobile Home Internet Fixed Wireless in 21555, MD
T-Mobile Home Internet fixed wireless coverage
About 92.46%, or 1,508 people, have T-Mobile Home Internet fixed wireless internet available to them in the zip. The company covers the northwest, west, northeast, north, south, southeast, central, and east 21555 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 21555.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is average when comparing download speeds to all other internet providers in 21555. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is average. There are 2 different maximum speeds throughout 21555. The fastest plan anyone in 21555 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 21555 customers is up to 68 Mbps.
Show all download speeds
- 57.7% up to 100.0 Mbps
- 42.3% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In 21555 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 average where upload speeds are concerned, and above average compared to other 21555 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 21555 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 13 Mbps.
Show all upload speeds
- 57.7% up to 20.0 Mbps
- 42.3% up to 3.0 Mbps
SkyPacket Networks Fixed Wireless in 21555, MD
SkyPacket Networks fixed wireless coverage
About 79.03%, or 1,289 people, have SkyPacket Networks fixed wireless internet available to them in the zip. The company covers the northwest, west, northeast, north, south, central, east, and southwest 21555 area. SkyPacket Networks is a large internet service provider internet service providers in the US, with internet service available in much of 21555.
SkyPacket Networks fixed wireless download speeds
SkyPacket Networks is average when comparing download speeds to all other internet providers in 21555. Versus other fixed wireless providers in the area, SkyPacket Networks fixed wireless is above average. There are 2 different maximum speeds throughout 21555. The fastest plan anyone in 21555 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 21555 customers is up to 89 Mbps.
Show all download speeds
- 84.7% up to 100.0 Mbps
- 15.3% up to 25.0 Mbps
SkyPacket Networks fixed wireless upload speeds
In 21555 download speeds tend to be faster than than upload speeds for SkyPacket Networks fixed wireless. Compared to other ISPs, SkyPacket Networks is average where upload speeds are concerned, and above average compared to other 21555 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 21555 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 17 Mbps.
Show all upload speeds
- 84.7% up to 20.0 Mbps
- 15.3% up to 3.0 Mbps
Verizon Fixed Wireless in 21555, MD
Verizon fixed wireless coverage
About 50.58%, or 825 people, have Verizon fixed wireless internet available to them in the zip. The company covers the west, northwest, northeast, central, south, and north 21555 area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of 21555.
Verizon fixed wireless download speeds
Verizon is the fastest when comparing download speeds to all other internet providers in 21555. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout 21555. The fastest plan anyone in 21555 can order from Verizon goes up to 300 Mbps, and all 21555 customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In 21555 download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is the fastest where upload speeds are concerned, and the fastest compared to other 21555 fixed wireless providers. Verizon offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21555 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 21555, MD
US Cellular fixed wireless coverage
About 44.33%, or 723 people, have US Cellular fixed wireless internet available to them in the zip. The company covers the northwest, west, southeast, northeast, north, and east 21555 area. US Cellular is one of the largest internet service providers internet service providers in the US, with internet service available in some of 21555.
US Cellular fixed wireless download speeds
US Cellular is the slowest when comparing download speeds to all other internet providers in 21555. Versus other fixed wireless providers in the area, US Cellular fixed wireless is the slowest. There are 2 different maximum speeds throughout 21555. The fastest plan anyone in 21555 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 21555 customers is up to 15 Mbps.
Show all download speeds
- 35.1% up to 25.0 Mbps
- 64.9% up to 10.0 Mbps
US Cellular fixed wireless upload speeds
In 21555 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 21555 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 21555 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 1.7 Mbps.
Show all upload speeds
- 35.1% up to 3.0 Mbps
- 64.9% up to 1.0 Mbps
EarthLink Fixed Wireless in 21555, MD
EarthLink fixed wireless coverage
About 37.28%, or 608 people, have EarthLink fixed wireless internet available to them in the zip. The company covers the northwest, west, northeast, central, and north 21555 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of 21555.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in 21555. Versus other fixed wireless providers in the area, EarthLink fixed wireless is below average. There are no different maximum speeds throughout 21555. The fastest plan anyone in 21555 can order from EarthLink goes up to 25 Mbps, and all 21555 customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In 21555 download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is average where upload speeds are concerned, and below average compared to other 21555 fixed wireless providers. EarthLink offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21555 is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
AT&T Fixed Wireless in 21555, MD
AT&T fixed wireless coverage
About 37.28%, or 608 people, have AT&T fixed wireless internet available to them in the zip. The company covers the northwest, west, northeast, central, and north 21555 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some of 21555.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in 21555. Versus other fixed wireless providers in the area, AT&T fixed wireless is below average. There are no different maximum speeds throughout 21555. The fastest plan anyone in 21555 can order from AT&T goes up to 25 Mbps, and all 21555 customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In 21555 download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is average where upload speeds are concerned, and below average compared to other 21555 fixed wireless providers. AT&T offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21555 is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Morgan Wireless Fixed Wireless in 21555, MD
Morgan Wireless fixed wireless coverage
About 7.66%, or 125 people, have Morgan Wireless fixed wireless internet available to them in the zip. The company covers the southeast, northeast, east, and south 21555 area. Morgan Wireless is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 21555.
Morgan Wireless fixed wireless download speeds
Morgan Wireless is below average when comparing download speeds to all other internet providers in 21555. Versus other fixed wireless providers in the area, Morgan Wireless fixed wireless is below average. There are no different maximum speeds throughout 21555. The fastest plan anyone in 21555 can order from Morgan Wireless goes up to 25 Mbps, and all 21555 customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
Morgan Wireless fixed wireless upload speeds
In 21555 download speeds tend to be faster than than upload speeds for Morgan Wireless fixed wireless. Compared to other ISPs, Morgan Wireless is average where upload speeds are concerned, and below average compared to other 21555 fixed wireless providers. Morgan Wireless offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21555 is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
21555 Internet by Area
This information is most helpful to those looking for homes or considering moving to 21555 or any of the areas nearby.
How does internet in 21555 compare to the rest of Maryland?
Internet speeds in 21555 are slower versus the average speeds in Maryland: 2,041 Mbps in Maryland versus 193 Mbps in the zip. The state has similar internet availability compared to the zip. Average internet coverage in Maryland is 98.96% versus 97.42% in 21555.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around 21555 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
- 26722, WV: more internet coverage, faster speeds
- 25431, WV: less internet coverage, slower speeds
- 26763, WV: more internet coverage, faster speeds
- 21530, MD: more internet coverage, faster speeds
- 26767, WV: more internet coverage, faster speeds
- 26753, WV: more internet coverage, faster speeds
- 26719, WV: more internet coverage, faster speeds
- 25437, WV: more internet coverage, faster speeds
- 21502, MD: more internet coverage, faster speeds
- 25434, WV: more internet coverage, faster speeds
Zip Codes with Similar Populations
- 52654, IA: more internet coverage, faster speeds
- 83833, ID: more internet coverage, faster speeds
- 39772, MS: more internet coverage, faster speeds
- 39813, GA: less internet coverage, faster speeds
- 78379, TX: more internet coverage, faster speeds
- 48649, MI: more internet coverage, faster speeds
- 77873, TX: more internet coverage, faster speeds
- 74637, OK: more internet coverage, faster speeds
- 72824, AR: more internet coverage, faster speeds
- 50130, IA: more internet coverage, faster speeds