In 21231 there are 7 residential internet providers covering 99.99% of the zip. The average home can get speeds up to 986 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.
7 Internet Service Providers in 21231
To avoid wasting your time, providers with less than 1% coverage in 21231 are not shown.
21231 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.
HughesNet Satellite Internet
Where in 21231 is internet available?
Internet Availability Key
Internet service is available in 99.99% of 21231. Areas in green are more likely to have fiber, cable, DSL, or fixed wireless internet service. Areas in red may be more reliant on satellite service. The most widely available provider is XFINITY. Call one of the companies with service in 21231 above to see who has service at your home, or click the technology to see where it can be found in 21231.
How fast are internet speeds in 21231?
The map below shows maximum internet speeds by area in 21231.
Internet Speed Key
The average 21231 home can get up to 986 Mbps on their internet plan. For most people, the fastest download speed in the zip is 1,000 Mbps, which 98.48% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 1.50% of homes can only purchase plans up to 40 Mbps. See the internet provider details below for info about their speed and coverage in 21231.
Internet speeds tend to be faster in the central parts of 21231, and slower in the northwest areas of the zip.
What type of internet should I choose in 21231?
The fastest internet for you may vary based on where in 21231 you live. If speed is your main concern, cable will be the fastest internet in the zip.
- Fiber is the fastest internet type for less than 1% of 21231 homes.
- Cable is fastest for 98.48% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.50%.
- Satellite internet may be the only option for less than 1% of 21231 homes.
Internet Market Health in 21231
Internet Competition Key
The map shows how competitive the 21231 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 21231 based on what connections the average home has availabile:
- Average number of internet service providers to a home: 3.9 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 2.9 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 2.7 (healthy)
Overall, competition is very healthy.
21231 internet customers have the ability to buy internet service from 1 to 5 different providers, depending on where they live. For different types of service, 21231 homes have between 1 and 4 options. The type(s) of service available are cable, dsl, fixed wireless, 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. 21231 internet customers who want faster speeds have between 0 and 4 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, 21231 is doing quite well.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in 21231, along with details on where in 21231 and at what speeds.
XFINITY from Comcast Cable in 21231, MD
XFINITY cable coverage
About 98.48%, or 15,509 people, have XFINITY cable internet available to them in the zip. The company covers the entire 21231 area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of 21231.
XFINITY from Comcast cable download speeds
XFINITY is the fastest when comparing download speeds to all other internet providers in 21231. Versus other cable providers in the area, XFINITY cable is the fastest. There are no different maximum speeds throughout 21231. The fastest plan anyone in 21231 can order from XFINITY goes up to 1,000 Mbps, and all 21231 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
XFINITY from Comcast cable upload speeds
In 21231 download speeds tend to be 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 21231 cable providers. XFINITY offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21231 is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Verizon DSL in 21231, MD
Verizon DSL coverage
About 96.86%, or 15,254 people, have Verizon DSL internet available to them in the zip. The company covers the entire 21231 area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in most of 21231.
Verizon DSL download speeds
Verizon is the slowest when comparing download speeds to all other internet providers in 21231. Versus other DSL providers in the area, Verizon DSL is the slowest. There are 4 different maximum speeds throughout 21231. The fastest plan anyone in 21231 can order from Verizon goes up to 15 Mbps, the slowest package only goes up to 5.0 Mbps, and the zip-wide average maximum speed for 21231 customers is up to 13 Mbps.
Show all download speeds
- 70.6% up to 15.0 Mbps
- 27.6% up to 10.0 Mbps
- 0.2% up to 7.0 Mbps
- 1.6% up to 5.0 Mbps
Verizon DSL upload speeds
In 21231 download speeds tend to be than upload speeds for Verizon DSL. Compared to other ISPs, Verizon is the slowest where upload speeds are concerned, and the slowest compared to other 21231 DSL 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 21231 is up to 1.0 Mbps. Some customers have slower plan choices, which only go up to 0.77 Mbps. On average, Verizon customers can get speeds up to 1.00 Mbps.
Show all upload speeds
- 98.2% up to 1.0 Mbps
- 1.8% up to 0.8 Mbps
Verizon Fiber in 21231, MD
Verizon fiber coverage
About 2.36%, or 371 people, have Verizon fiber internet available to them in the zip. The company covers the southeast, south, and northeast 21231 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 21231.
Verizon fiber download speeds
Verizon is above average when comparing download speeds to all other internet providers in 21231. Versus other fiber providers in the area, Verizon fiber is the fastest. There are no different maximum speeds throughout 21231. The fastest plan anyone in 21231 can order from Verizon goes up to 940 Mbps, and all 21231 customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Verizon fiber upload speeds
In 21231 download speeds tend to be than upload speeds for Verizon fiber. Compared to other ISPs, Verizon is the fastest where upload speeds are concerned, and the fastest compared to other 21231 fiber providers. Verizon offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21231 is up to 880 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 880.0 Mbps
Port Networks DSL in 21231, MD
Port Networks DSL coverage
About 2.12%, or 334 people, have Port Networks DSL internet available to them in the zip. The company covers the southeast 21231 area. Port Networks is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 21231.
Port Networks DSL download speeds
Port Networks is below average when comparing download speeds to all other internet providers in 21231. Versus other DSL providers in the area, Port Networks DSL is the fastest. There are no different maximum speeds throughout 21231. The fastest plan anyone in 21231 can order from Port Networks goes up to 50 Mbps, and all 21231 customers can get this speed.
Show all download speeds
- 100.0% up to 50.0 Mbps
Port Networks DSL upload speeds
In 21231 download speeds tend to be than upload speeds for Port Networks DSL. Compared to other ISPs, Port Networks is below average where upload speeds are concerned, and the fastest compared to other 21231 DSL providers. Port Networks offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21231 is up to 15 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 15.0 Mbps
Quantum Fixed Wireless in 21231, MD
Quantum fixed wireless coverage
About 88.49%, or 13,936 people, have Quantum fixed wireless internet available to them in the zip. The company covers the entire 21231 area. Quantum is a large internet service provider internet service providers in the US, with internet service available in most of 21231.
Quantum fixed wireless download speeds
Quantum is below average when comparing download speeds to all other internet providers in 21231. Versus other fixed wireless providers in the area, Quantum fixed wireless is the fastest. There are no different maximum speeds throughout 21231. The fastest plan anyone in 21231 can order from Quantum goes up to 40 Mbps, and all 21231 customers can get this speed.
Show all download speeds
- 100.0% up to 40.0 Mbps
Quantum fixed wireless upload speeds
In 21231 download speeds tend to be than upload speeds for Quantum fixed wireless. Compared to other ISPs, Quantum is below average where upload speeds are concerned, and the fastest compared to other 21231 fixed wireless providers. Quantum offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21231 is up to 13 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 13.0 Mbps
T-Mobile Home Internet in 21231, MD
T-Mobile Home Internet fixed wireless coverage
About 79.19%, or 12,471 people, have T-Mobile Home Internet fixed wireless internet available to them in the zip. The company covers the entire 21231 area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in much of 21231.
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 21231. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are no different maximum speeds throughout 21231. The fastest plan anyone in 21231 can order from T-Mobile Home Internet goes up to 25 Mbps, and all 21231 customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In 21231 download speeds tend to be 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 below average compared to other 21231 fixed wireless providers. T-Mobile Home Internet offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21231 is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Port Networks Fixed Wireless in 21231, MD
Port Networks fixed wireless coverage
About 25.91%, or 4,081 people, have Port Networks fixed wireless internet available to them in the zip. The company covers the east, central, southeast, northeast, south, southwest, north, and northwest 21231 area. Port Networks is a large internet service provider internet service providers in the US, with internet service available in a small portion of 21231.
Port Networks fixed wireless download speeds
Port Networks is below average when comparing download speeds to all other internet providers in 21231. Versus other fixed wireless providers in the area, Port Networks fixed wireless is below average. There are 5 different maximum speeds throughout 21231. The fastest plan anyone in 21231 can order from Port Networks goes up to 100 Mbps, the slowest package only goes up to 8.0 Mbps, and the zip-wide average maximum speed for 21231 customers is up to 23 Mbps.
Show all download speeds
- 8.2% up to 100.0 Mbps
- 1.5% up to 50.0 Mbps
- 4.5% up to 32.0 Mbps
- 68.5% up to 16.0 Mbps
- 17.3% up to 8.0 Mbps
Port Networks fixed wireless upload speeds
In 21231 download speeds tend to be than upload speeds for Port Networks fixed wireless. Compared to other ISPs, Port Networks is below average where upload speeds are concerned, and below average compared to other 21231 fixed wireless providers. Port Networks offers 5 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 21231 is up to 25 Mbps. Some customers have slower plan choices, which only go up to 2.0 Mbps. On average, Port Networks customers can get speeds up to 5.7 Mbps.
Show all upload speeds
- 8.2% up to 25.0 Mbps
- 1.5% up to 15.0 Mbps
- 4.5% up to 8.0 Mbps
- 68.5% up to 4.0 Mbps
- 17.3% up to 2.0 Mbps
21231 Internet by Area
This information is most helpful to those looking for homes or considering moving to 21231 or any of the areas nearby.
How does internet in 21231 compare to the rest of Maryland?
Internet speeds in 21231 are comparable versus the average speeds in Maryland: 970 Mbps in Maryland versus 986 Mbps in the zip. The state has similar internet availability compared to the zip. Average internet coverage in Maryland is 99.10% versus 99.99% in 21231.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around 21231 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
- 21202, MD: more internet coverage, slower speeds
- 21205, MD: less internet coverage, faster speeds
- 21201, MD: more internet coverage, slower speeds
- 21213, MD: less internet coverage, faster speeds
- 21230, MD: less internet coverage, faster speeds
- 21224, MD: less internet coverage, faster speeds
- 21218, MD: less internet coverage, faster speeds
- 21217, MD: less internet coverage, slower speeds
- 21223, MD: less internet coverage, faster speeds
- 21211, MD: less internet coverage, faster speeds
Zip Codes with Similar Populations
- 13662, NY: less internet coverage, slower speeds
- 72022, AR: less internet coverage, slower speeds
- 00979, PR: more internet coverage, slower speeds
- 02726, MA: less internet coverage, faster speeds
- 76164, TX: more internet coverage, faster speeds
- 50311, IA: more internet coverage, faster speeds
- 02090, MA: less internet coverage, faster speeds
- 38261, TN: less internet coverage, slower speeds
- 15904, PA: less internet coverage, faster speeds
- 45502, OH: less internet coverage, slower speeds