In 20640 there are 3 residential Fiber providers covering 91.94% of the zip. The average home can get speeds up to 1,853 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 20640, MD.
To see availability maps for all providers including fiber, cable, DSL, and more in 20640, MD please click below.
Fiber Internet Service Providers in 20640
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 20640 are not shown.
20640 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 20640 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 91.94% of 20640. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Earthlink. Call one of the companies with service in 20640 above to see who has service at your home.
How fast is fiber internet in 20640?
The map below shows maximum fiber internet speeds by area in 20640.
Fiber Internet Speed Key
The average 20640 home can get up to 1,853 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 2,048 Mbps, which 75.50% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 11.24% of homes can only purchase plans up to 940 Mbps. See the internet provider details below for info about their speed and coverage in 20640.
Fiber internet speeds tend to be faster in the central parts of 20640, and slower in the northeast areas of the zip.
Is fiber the fastest internet I can get in 20640?
The fastest internet for you may vary based on where in 20640 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 80.70% of 20640 homes.
- Cable is fastest for 12.80% 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 6.50% of 20640 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 20640, along with details on where in 20640 and at what speeds.
EarthLink Fiber in 20640, MD
EarthLink fiber coverage
About 86.74%, or 7,811 people, have EarthLink fiber internet available to them in the zip. The company covers the entire 20640 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of 20640.
EarthLink fiber download speeds
EarthLink is one of the fastest when comparing download speeds to all other internet providers in 20640. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are 2 different maximum speeds throughout 20640. The fastest plan anyone in 20640 can order from EarthLink goes up to 2,048 Mbps, the slowest package only goes up to 940 Mbps, and the zip-wide average maximum speed for 20640 customers is up to 1,904 Mbps.
Show all download speeds
- 87.0% up to 2,048.0 Mbps
- 13.0% up to 940.0 Mbps
EarthLink fiber upload speeds
In 20640 download speeds tend to be faster than than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is one of the fastest where upload speeds are concerned, and one of the fastest compared to other 20640 fiber 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 20640 is up to 2,048 Mbps. Some customers have slower plan choices, which only go up to 880 Mbps. On average, EarthLink customers can get speeds up to 1,897 Mbps.
Show all upload speeds
- 87.0% up to 2,048.0 Mbps
- 13.0% up to 880.0 Mbps
Verizon Fiber in 20640, MD
Verizon fiber coverage
About 86.74%, or 7,811 people, have Verizon fiber internet available to them in the zip. The company covers the entire 20640 area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in most of 20640.
Verizon fiber download speeds
Verizon is one of the fastest when comparing download speeds to all other internet providers in 20640. Versus other fiber providers in the area, Verizon fiber is one of the fastest. There are 2 different maximum speeds throughout 20640. The fastest plan anyone in 20640 can order from Verizon goes up to 2,048 Mbps, the slowest package only goes up to 940 Mbps, and the zip-wide average maximum speed for 20640 customers is up to 1,904 Mbps.
Show all download speeds
- 87.0% up to 2,048.0 Mbps
- 13.0% up to 940.0 Mbps
Verizon fiber upload speeds
In 20640 download speeds tend to be faster than than upload speeds for Verizon fiber. Compared to other ISPs, Verizon is one of the fastest where upload speeds are concerned, and one of the fastest compared to other 20640 fiber 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 20640 is up to 2,048 Mbps. Some customers have slower plan choices, which only go up to 880 Mbps. On average, Verizon customers can get speeds up to 1,897 Mbps.
Show all upload speeds
- 87.0% up to 2,048.0 Mbps
- 13.0% up to 880.0 Mbps
THINKBIG NETWORKS Fiber in 20640, MD
THINKBIG NETWORKS fiber coverage
About 7.35%, or 662 people, have THINKBIG NETWORKS fiber internet available to them in the zip. The company covers the southwest and south 20640 area. THINKBIG NETWORKS is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 20640.
THINKBIG NETWORKS fiber download speeds
THINKBIG NETWORKS is above average when comparing download speeds to all other internet providers in 20640. Versus other fiber providers in the area, THINKBIG NETWORKS fiber is the slowest. There are no different maximum speeds throughout 20640. The fastest plan anyone in 20640 can order from THINKBIG NETWORKS goes up to 1,000 Mbps, and all 20640 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
THINKBIG NETWORKS fiber upload speeds
In 20640 download speeds tend to be equal to than upload speeds for THINKBIG NETWORKS fiber. Compared to other ISPs, THINKBIG NETWORKS is above average where upload speeds are concerned, and the slowest compared to other 20640 fiber providers. THINKBIG NETWORKS offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 20640 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
20640 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 20640 or any of the areas nearby.
How does fiber internet in 20640 compare to the rest of Maryland?
Fiber internet speeds in 20640 are much faster versus the average speeds in Maryland: 0.00 Mbps in Maryland versus 1,853 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Maryland is 0.00% versus 91.94% in 20640.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 20640 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
- 20658, MD: more fiber coverage, faster speeds
- 20616, MD: more fiber coverage, slower speeds
- 22191, VA: more fiber coverage, slower speeds
- 20675, MD: more fiber coverage, faster speeds
- 20693, MD: more fiber coverage, faster speeds
- 20677, MD: more fiber coverage, faster speeds
- 22026, VA: more fiber coverage, slower speeds
- 22125, VA: more fiber coverage, slower speeds
- 20607, MD: more fiber coverage, slower speeds
- 20695, MD: more fiber coverage, slower speeds
Zip Codes with Similar Populations
- 08406, NJ: less fiber coverage, slower speeds
- 49038, MI: less fiber coverage, faster speeds
- 66547, KS: more fiber coverage, slower speeds
- 64034, MO: less fiber coverage, faster speeds
- 60449, IL: less fiber coverage, slower speeds
- 56716, MN: less fiber coverage, slower speeds
- 56649, MN: less fiber coverage, faster speeds
- 55340, MN: less fiber coverage, slower speeds
- 55079, MN: less fiber coverage, faster speeds
- 53551, WI: less fiber coverage, slower speeds