In 21664 there are 5 residential internet providers covering 100.00% of the zip. The average home can get speeds up to 2,000 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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5 Internet Service Providers in 21664
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 21664 are not shown.
21664 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 21664
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 100.00% of 21664. 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 21664 with more confidence that they might be available.
How fast are internet speeds in 21664?
The map below shows maximum internet speeds by area in 21664.
Internet Speed Key
The average 21664 home can get up to 2,000 Mbps on their internet plan. For most people, the fastest download speed in the zip is 2,000 Mbps, which 100.00% of residents can get.
What type of internet should I choose in 21664?
The fastest internet for you may vary based on where in 21664 you live. If speed is your main concern, fiber will be the fastest internet in the zip.
- Fiber is the fastest internet type for 88.98% of 21664 homes.
- Cable is fastest for 11.02% 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 21664 homes.
Internet Market Health in 21664
Internet Competition Key
The map shows how competitive the 21664 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 21664 based on what connections the average home has availabile:
- Average number of internet service providers to a home: 3.8 (unhealthy)
- Average types of service (fiber, cable, DSL, etc): 2.8 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 3.8 (unhealthy)
Overall, competition is unhealthy.
21664 internet customers have the ability to buy internet service from 3 to 4 different providers, depending on where they live. For different types of service, 21664 homes have between 2 and 3 options. The type(s) of service available are cable, 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 similar. 21664 internet customers who want faster speeds have between 3 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, 21664 needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in 21664, along with details on where in 21664 and at what speeds.
XFINITY from Comcast Cable in 21664, MD
XFINITY cable coverage
About 100.00%, or 472 people, have XFINITY cable internet available to them in the zip. The company covers the entire 21664 area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of 21664.
XFINITY from Comcast cable download speeds
XFINITY is one of the fastest when comparing download speeds to all other internet providers in 21664. Versus other cable providers in the area, XFINITY cable is the fastest. There are no different maximum speeds throughout 21664. The fastest plan anyone in 21664 can order from XFINITY goes up to 2,000 Mbps, and all 21664 customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
XFINITY from Comcast cable upload speeds
In 21664 download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is one of the fastest where upload speeds are concerned, and the fastest compared to other 21664 cable providers. XFINITY offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21664 is up to 250 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 250.0 Mbps
Bay Country Communications Cable in 21664, MD
Bay Country Communications cable coverage
About 100.00%, or 472 people, have Bay Country Communications cable internet available to them in the zip. The company covers the entire 21664 area. Bay Country Communications is an average-sized internet service provider internet service providers in the US, with internet service available in every corner of 21664.
Bay Country Communications cable download speeds
Bay Country Communications is below average when comparing download speeds to all other internet providers in 21664. Versus other cable providers in the area, Bay Country Communications cable is the slowest. There are no different maximum speeds throughout 21664. The fastest plan anyone in 21664 can order from Bay Country Communications goes up to 100 Mbps, and all 21664 customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Bay Country Communications cable upload speeds
In 21664 download speeds tend to be equal to than upload speeds for Bay Country Communications cable. Compared to other ISPs, Bay Country Communications is below average where upload speeds are concerned, and the slowest compared to other 21664 cable providers. Bay Country Communications offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21664 is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
XFINITY from Comcast Fiber in 21664, MD
XFINITY fiber coverage
About 88.98%, or 420 people, have XFINITY fiber internet available to them in the zip. The company covers the southeast, south, north, northeast, east, and west 21664 area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of 21664.
XFINITY from Comcast fiber download speeds
XFINITY is one of the fastest when comparing download speeds to all other internet providers in 21664. Versus other fiber providers in the area, XFINITY fiber is the fastest. There are no different maximum speeds throughout 21664. The fastest plan anyone in 21664 can order from XFINITY goes up to 2,000 Mbps, and all 21664 customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
XFINITY from Comcast fiber upload speeds
In 21664 download speeds tend to be faster than than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is one of the fastest where upload speeds are concerned, and the fastest compared to other 21664 fiber providers. XFINITY offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21664 is up to 250 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 250.0 Mbps
T-Mobile Home Internet Fixed Wireless in 21664, MD
T-Mobile Home Internet fixed wireless coverage
About 90.68%, or 428 people, have T-Mobile Home Internet fixed wireless internet available to them in the zip. The company covers the southeast, south, north, central, west, east, and northwest 21664 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 21664.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is the slowest when comparing download speeds to all other internet providers in 21664. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the fastest. There are 2 different maximum speeds throughout 21664. The fastest plan anyone in 21664 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 21664 customers is up to 81 Mbps.
Show all download speeds
- 75.2% up to 100.0 Mbps
- 24.8% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In 21664 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 the slowest where upload speeds are concerned, and the fastest compared to other 21664 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 21664 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 16 Mbps.
Show all upload speeds
- 75.2% up to 20.0 Mbps
- 24.8% up to 3.0 Mbps
21664 Internet by Area
This information is most helpful to those looking for homes or considering moving to 21664 or any of the areas nearby.
How does internet in 21664 compare to the rest of Maryland?
Internet speeds in 21664 are comparable versus the average speeds in Maryland: 2,041 Mbps in Maryland versus 2,000 Mbps in the zip. The state has similar internet availability compared to the zip. Average internet coverage in Maryland is 98.96% versus 100.00% in 21664.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around 21664 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
- 21631, MD: equal internet coverage, slower speeds
- 21835, MD: equal internet coverage, slower speeds
- 21643, MD: less internet coverage, slower speeds
- 21673, MD: less internet coverage, slower speeds
- 21613, MD: less internet coverage, slower speeds
- 21655, MD: equal internet coverage, faster speeds
- 21659, MD: equal internet coverage, faster speeds
- 21632, MD: less internet coverage, slower speeds
- 21654, MD: equal internet coverage, slower speeds
- 21861, MD: equal internet coverage, slower speeds
Zip Codes with Similar Populations
- 65614, MO: equal internet coverage, slower speeds
- 15455, PA: less internet coverage, slower speeds
- 15640, PA: equal internet coverage, similar speeds
- 98619, WA: less internet coverage, slower speeds
- 98552, WA: less internet coverage, slower speeds
- 16683, PA: equal internet coverage, slower speeds
- 98050, WA: equal internet coverage, slower speeds
- 97493, OR: less internet coverage, slower speeds
- 92341, CA: less internet coverage, faster speeds
- 03765, NH: equal internet coverage, slower speeds