In 21901 there are 10 residential internet providers covering 99.77% of the zip. The average home can get speeds up to 2,693 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.
Jump to Availability Maps
10 Internet Service Providers in 21901
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 21901 are not shown.
21901 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 21901
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 99.77% of 21901. 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 Talkie Communications. Now you can call companies in 21901 with more confidence that they might be available.
How fast are internet speeds in 21901?
The map below shows maximum internet speeds by area in 21901.
Internet Speed Key
The average 21901 home can get up to 2,693 Mbps on their internet plan. For most people, the fastest download speed in the zip is 10,000 Mbps, which 13.94% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in 21901.
Internet speeds tend to be faster in the south parts of 21901, and slower in the northeast areas of the zip.
What type of internet should I choose in 21901?
The fastest internet for you may vary based on where in 21901 you live. If speed is your main concern, cable will be the fastest internet in the zip.
- Fiber is the fastest internet type for 33.31% of 21901 homes.
- Cable is fastest for 66.35% 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 21901 homes.
Internet Market Health in 21901
Internet Competition Key
The map shows how competitive the 21901 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 21901 based on what connections the average home has availabile:
- Average number of internet service providers to a home: 4.8 (unhealthy)
- Average types of service (fiber, cable, DSL, etc): 2.4 (unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 4.7 (healthy)
Overall, competition is unhealthy.
21901 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, 21901 homes have between 1 and 4 options. The type(s) of service available are cable, fixed wireless, fiber, and dsl, 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. 21901 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, 21901 needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in 21901, along with details on where in 21901 and at what speeds.
XFINITY from Comcast Cable in 21901, MD
XFINITY cable coverage
About 81.27%, or 15,108 people, have XFINITY cable internet available to them in the zip. The company covers the entire 21901 area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in much of 21901.
XFINITY from Comcast cable download speeds
XFINITY is average when comparing download speeds to all other internet providers in 21901. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout 21901. The fastest plan anyone in 21901 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 21901 customers is up to 1,454 Mbps.
Show all download speeds
- 31.7% up to 2,000.0 Mbps
- 68.3% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In 21901 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 21901 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 21901 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 103 Mbps.
Show all upload speeds
- 31.7% up to 250.0 Mbps
- 68.3% up to 35.0 Mbps
Armstrong Cable in 21901, MD
Armstrong cable coverage
About 18.11%, or 3,367 people, have Armstrong cable internet available to them in the zip. The company covers the northwest, north, and northeast 21901 area. Armstrong is a large internet service provider internet service providers in the US, with internet service available in a small portion of 21901.
Armstrong cable download speeds
Armstrong is below average when comparing download speeds to all other internet providers in 21901. Versus other cable providers in the area, Armstrong cable is one of the slowest. There are no different maximum speeds throughout 21901. The fastest plan anyone in 21901 can order from Armstrong goes up to 1,000 Mbps, and all 21901 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Armstrong cable upload speeds
In 21901 download speeds tend to be faster than than upload speeds for Armstrong cable. Compared to other ISPs, Armstrong is below average where upload speeds are concerned, and the slowest compared to other 21901 cable providers. Armstrong offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21901 is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Talkie Communications Fiber in 21901, MD
Talkie Communications fiber coverage
About 13.94%, or 2,591 people, have Talkie Communications fiber internet available to them in the zip. The company covers the southeast, south, and southwest 21901 area. Talkie Communications is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 21901.
Talkie Communications fiber download speeds
Talkie Communications is the fastest when comparing download speeds to all other internet providers in 21901. Versus other fiber providers in the area, Talkie Communications fiber is the fastest. There are no different maximum speeds throughout 21901. The fastest plan anyone in 21901 can order from Talkie Communications goes up to 10,000 Mbps, and all 21901 customers can get this speed.
Show all download speeds
- 100.0% up to 10,000.0 Mbps
Talkie Communications fiber upload speeds
In 21901 download speeds tend to be equal to than upload speeds for Talkie Communications fiber. Compared to other ISPs, Talkie Communications is the fastest where upload speeds are concerned, and the fastest compared to other 21901 fiber providers. Talkie Communications offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21901 is up to 10,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10,000.0 Mbps
EarthLink Fiber in 21901, MD
EarthLink fiber coverage
About 13.00%, or 2,417 people, have EarthLink fiber internet available to them in the zip. The company covers the west, southwest, southeast, northwest, and central 21901 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 21901.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in 21901. Versus other fiber providers in the area, EarthLink fiber is below average. There are no different maximum speeds throughout 21901. The fastest plan anyone in 21901 can order from EarthLink goes up to 2,048 Mbps, and all 21901 customers can get this speed.
Show all download speeds
- 100.0% up to 2,048.0 Mbps
EarthLink fiber upload speeds
In 21901 download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and below average compared to other 21901 fiber providers. EarthLink offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21901 is up to 2,048 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 2,048.0 Mbps
Verizon Fiber in 21901, MD
Verizon fiber coverage
About 13.00%, or 2,417 people, have Verizon fiber internet available to them in the zip. The company covers the west, southwest, southeast, northwest, and central 21901 area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 21901.
Verizon fiber download speeds
Verizon is above average when comparing download speeds to all other internet providers in 21901. Versus other fiber providers in the area, Verizon fiber is below average. There are no different maximum speeds throughout 21901. The fastest plan anyone in 21901 can order from Verizon goes up to 2,048 Mbps, and all 21901 customers can get this speed.
Show all download speeds
- 100.0% up to 2,048.0 Mbps
Verizon fiber upload speeds
In 21901 download speeds tend to be equal to than upload speeds for Verizon fiber. Compared to other ISPs, Verizon is above average where upload speeds are concerned, and below average compared to other 21901 fiber providers. Verizon offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21901 is up to 2,048 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 2,048.0 Mbps
Armstrong DSL in 21901, MD
Armstrong DSL coverage
About 12.86%, or 2,390 people, have Armstrong DSL internet available to them in the zip. The company covers the northwest, north, and northeast 21901 area. Armstrong is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 21901.
Armstrong DSL download speeds
Armstrong is the slowest when comparing download speeds to all other internet providers in 21901. Versus other DSL providers in the area, Armstrong DSL is the fastest. There are no different maximum speeds throughout 21901. The fastest plan anyone in 21901 can order from Armstrong goes up to 10 Mbps, and all 21901 customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Armstrong DSL upload speeds
In 21901 download speeds tend to be faster than than upload speeds for Armstrong DSL. Compared to other ISPs, Armstrong is the slowest where upload speeds are concerned, and the fastest compared to other 21901 DSL providers. Armstrong offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21901 is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
XFINITY from Comcast Fiber in 21901, MD
XFINITY fiber coverage
About 7.66%, or 1,424 people, have XFINITY fiber internet available to them in the zip. The company covers the northwest, north, and northeast 21901 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 21901.
XFINITY from Comcast fiber download speeds
XFINITY is below average when comparing download speeds to all other internet providers in 21901. Versus other fiber providers in the area, XFINITY fiber is below average. There are no different maximum speeds throughout 21901. The fastest plan anyone in 21901 can order from XFINITY goes up to 1,200 Mbps, and all 21901 customers can get this speed.
Show all download speeds
- 100.0% up to 1,200.0 Mbps
XFINITY from Comcast fiber upload speeds
In 21901 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 21901 fiber providers. XFINITY offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21901 is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Atlantic Broadband Cable in 21901, MD
Atlantic Broadband cable coverage
About 3.27%, or 607 people, have Atlantic Broadband cable internet available to them in the zip. The company covers the north 21901 area. Atlantic Broadband is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 21901.
Atlantic Broadband cable download speeds
Atlantic Broadband is below average when comparing download speeds to all other internet providers in 21901. Versus other cable providers in the area, Atlantic Broadband cable is one of the slowest. There are no different maximum speeds throughout 21901. The fastest plan anyone in 21901 can order from Atlantic Broadband goes up to 1,000 Mbps, and all 21901 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Atlantic Broadband cable upload speeds
In 21901 download speeds tend to be faster than than upload speeds for Atlantic Broadband cable. Compared to other ISPs, Atlantic Broadband is below average where upload speeds are concerned, and below average compared to other 21901 cable providers. Atlantic Broadband offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21901 is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Armstrong Fiber in 21901, MD
Armstrong fiber coverage
About 1.41%, or 263 people, have Armstrong fiber internet available to them in the zip. The company covers the northwest and north 21901 area. Armstrong is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 21901.
Armstrong fiber download speeds
Armstrong is below average when comparing download speeds to all other internet providers in 21901. Versus other fiber providers in the area, Armstrong fiber is the slowest. There are no different maximum speeds throughout 21901. The fastest plan anyone in 21901 can order from Armstrong goes up to 1,000 Mbps, and all 21901 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Armstrong fiber upload speeds
In 21901 download speeds tend to be equal to than upload speeds for Armstrong fiber. Compared to other ISPs, Armstrong is below average where upload speeds are concerned, and below average compared to other 21901 fiber providers. Armstrong offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21901 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 21901, MD
T-Mobile Home Internet fixed wireless coverage
About 97.46%, or 18,117 people, have T-Mobile Home Internet fixed wireless internet available to them in the zip. The company covers the entire 21901 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 21901.
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 21901. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout 21901. The fastest plan anyone in 21901 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 21901 customers is up to 70 Mbps.
Show all download speeds
- 60.6% up to 100.0 Mbps
- 39.4% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In 21901 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 21901 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 21901 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
- 60.6% up to 20.0 Mbps
- 39.4% up to 3.0 Mbps
Verizon Fixed Wireless in 21901, MD
Verizon fixed wireless coverage
About 74.35%, or 13,822 people, have Verizon fixed wireless internet available to them in the zip. The company covers the entire 21901 area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in much of 21901.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in 21901. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are 2 different maximum speeds throughout 21901. The fastest plan anyone in 21901 can order from Verizon goes up to 1,000 Mbps, the slowest package only goes up to 300 Mbps, and the zip-wide average maximum speed for 21901 customers is up to 324 Mbps.
Show all download speeds
- 3.4% up to 1,000.0 Mbps
- 96.6% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In 21901 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 21901 fixed wireless providers. Verizon 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 21901 is up to 75 Mbps. Some customers have slower plan choices, which only go up to 20 Mbps. On average, Verizon customers can get speeds up to 22 Mbps.
Show all upload speeds
- 3.4% up to 75.0 Mbps
- 96.6% up to 20.0 Mbps
EarthLink Fixed Wireless in 21901, MD
EarthLink fixed wireless coverage
About 72.59%, or 13,495 people, have EarthLink fixed wireless internet available to them in the zip. The company covers the entire 21901 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of 21901.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in 21901. Versus other fixed wireless providers in the area, EarthLink fixed wireless is below average. There are 2 different maximum speeds throughout 21901. The fastest plan anyone in 21901 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 21901 customers is up to 35 Mbps.
Show all download speeds
- 13.3% up to 100.0 Mbps
- 86.7% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In 21901 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 21901 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 21901 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 5.3 Mbps.
Show all upload speeds
- 13.3% up to 20.0 Mbps
- 86.7% up to 3.0 Mbps
AT&T Fixed Wireless in 21901, MD
AT&T fixed wireless coverage
About 72.59%, or 13,495 people, have AT&T fixed wireless internet available to them in the zip. The company covers the entire 21901 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of 21901.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in 21901. Versus other fixed wireless providers in the area, AT&T fixed wireless is below average. There are 2 different maximum speeds throughout 21901. The fastest plan anyone in 21901 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 21901 customers is up to 35 Mbps.
Show all download speeds
- 13.3% up to 100.0 Mbps
- 86.7% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In 21901 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 21901 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 21901 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 5.3 Mbps.
Show all upload speeds
- 13.3% up to 20.0 Mbps
- 86.7% up to 3.0 Mbps
21901 Internet by Area
This information is most helpful to those looking for homes or considering moving to 21901 or any of the areas nearby.
How does internet in 21901 compare to the rest of Maryland?
Internet speeds in 21901 are faster versus the average speeds in Maryland: 2,041 Mbps in Maryland versus 2,693 Mbps in the zip. The state has similar internet availability compared to the zip. Average internet coverage in Maryland is 98.96% versus 99.77% in 21901.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around 21901 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
- 21914, MD: less internet coverage, slower speeds
- 21903, MD: more internet coverage, slower speeds
- 21921, MD: more internet coverage, faster speeds
- 21904, MD: less internet coverage, slower speeds
- 21902, MD: less internet coverage, slower speeds
- 21920, MD: more internet coverage, faster speeds
- 21911, MD: more internet coverage, slower speeds
- 21917, MD: more internet coverage, slower speeds
- 21915, MD: less internet coverage, faster speeds
- 21078, MD: less internet coverage, slower speeds
Zip Codes with Similar Populations
- 77028, TX: more internet coverage, faster speeds
- 37015, TN: less internet coverage, faster speeds
- 37725, TN: more internet coverage, faster speeds
- 38478, TN: less internet coverage, slower speeds
- 39560, MS: more internet coverage, faster speeds
- 43611, OH: more internet coverage, slower speeds
- 60465, IL: less internet coverage, slower speeds
- 68847, NE: less internet coverage, slower speeds
- 71055, LA: less internet coverage, slower speeds
- 02459, MA: less internet coverage, slower speeds