In 21663 there are 2 residential Fiber providers covering 86.51% of the zip. The average home can get speeds up to 1,000 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.
This page contains all Fiber internet providers in 21663, MD.
To see availability maps for all providers including fiber, cable, DSL, and more in 21663, MD please click below.
Fiber Internet Service Providers in 21663
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 21663 are not shown.
21663 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
Where in 21663 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 86.51% of 21663. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Atlantic Broadband. Call one of the companies with service in 21663 above to see who has service at your home.
How fast is fiber internet in 21663?
The map below shows maximum fiber internet speeds by area in 21663.
Fiber Internet Speed Key
The average 21663 home can get up to 1,000 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 1,000 Mbps, which 86.51% of residents can get.
Is fiber the fastest internet I can get in 21663?
The fastest internet for you may vary based on where in 21663 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 86.51% of 21663 homes.
- Cable is fastest for 11.94% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.30%.
- Satellite internet may be the only option for less than 1% of 21663 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 21663, along with details on where in 21663 and at what speeds.
Atlantic Broadband Fiber in 21663, MD
Atlantic Broadband fiber coverage
About 76.54%, or 2,405 people, have Atlantic Broadband fiber internet available to them in the zip. The company covers the entire 21663 area. Atlantic Broadband is a large internet service provider internet service providers in the US, with internet service available in much of 21663.
Atlantic Broadband fiber download speeds
Atlantic Broadband is one of the fastest when comparing download speeds to all other internet providers in 21663. Versus other fiber providers in the area, Atlantic Broadband fiber is one of the fastest. There are no different maximum speeds throughout 21663. The fastest plan anyone in 21663 can order from Atlantic Broadband goes up to 1,000 Mbps, and all 21663 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Atlantic Broadband fiber upload speeds
In 21663 download speeds tend to be equal to than upload speeds for Atlantic Broadband fiber. Compared to other ISPs, Atlantic Broadband is the fastest where upload speeds are concerned, and the fastest compared to other 21663 fiber providers. Atlantic Broadband offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21663 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Easton Velocity Fiber in 21663, MD
Easton Velocity fiber coverage
About 31.89%, or 1,002 people, have Easton Velocity fiber internet available to them in the zip. The company covers the southeast, northwest, west, and south 21663 area. Easton Velocity is an average-sized internet service provider internet service providers in the US, with internet service available in a small portion of 21663.
Easton Velocity fiber download speeds
Easton Velocity is one of the fastest when comparing download speeds to all other internet providers in 21663. Versus other fiber providers in the area, Easton Velocity fiber is one of the fastest. There are no different maximum speeds throughout 21663. The fastest plan anyone in 21663 can order from Easton Velocity goes up to 1,000 Mbps, and all 21663 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Easton Velocity fiber upload speeds
In 21663 download speeds tend to be faster than than upload speeds for Easton Velocity fiber. Compared to other ISPs, Easton Velocity is below average where upload speeds are concerned, and the slowest compared to other 21663 fiber providers. Easton Velocity offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21663 is up to 125 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 125.0 Mbps
21663 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 21663 or any of the areas nearby.
How does fiber internet in 21663 compare to the rest of Maryland?
Fiber internet speeds in 21663 are much faster versus the average speeds in Maryland: 0.00 Mbps in Maryland versus 1,000 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Maryland is 0.00% versus 86.51% in 21663.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 21663 are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber internet 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
- 21653, MD: more fiber coverage, similar speeds
- 21612, MD: less fiber coverage, similar speeds
- 21647, MD: more fiber coverage, similar speeds
- 21676, MD: less fiber coverage, similar speeds
- 21624, MD: less fiber coverage, similar speeds
- 21662, MD: more fiber coverage, similar speeds
- 21665, MD: more fiber coverage, similar speeds
- 21654, MD: less fiber coverage, similar speeds
- 21671, MD: less fiber coverage, similar speeds
- 21601, MD: less fiber coverage, faster speeds
Zip Codes with Similar Populations
- 34737, FL: less fiber coverage, faster speeds
- 71770, AR: less fiber coverage, faster speeds
- 63347, MO: more fiber coverage, faster speeds
- 61559, IL: less fiber coverage, similar speeds
- 78373, TX: more fiber coverage, faster speeds
- 52227, IA: less fiber coverage, similar speeds
- 79567, TX: more fiber coverage, faster speeds
- 80654, CO: more fiber coverage, similar speeds
- 49032, MI: more fiber coverage, faster speeds
- 40370, KY: more fiber coverage, similar speeds