In 21520 there are 2 residential Fiber providers covering 26.86% of the zip. The average home can get speeds up to 9,498 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 21520, MD.
To see availability maps for all providers including fiber, cable, DSL, and more in 21520, MD please click below.
Fiber Internet Service Providers in 21520
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 21520 are not shown.
21520 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 21520 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 26.86% of 21520. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is QCOL. Call one of the companies with service in 21520 above to see who has service at your home.
How fast is fiber internet in 21520?
The map below shows maximum fiber internet speeds by area in 21520.
Fiber Internet Speed Key
The average 21520 home can get up to 9,498 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 10,000 Mbps, which 25.36% 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 1,000 Mbps. See the internet provider details below for info about their speed and coverage in 21520.
Fiber internet speeds tend to be faster in the northeast parts of 21520, and slower in the southwest areas of the zip.
Is fiber the fastest internet I can get in 21520?
The fastest internet for you may vary based on where in 21520 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 25.36% of 21520 homes.
- Cable is fastest for 70.29% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 3.79%.
- Satellite internet may be the only option for less than 1% of 21520 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 21520, along with details on where in 21520 and at what speeds.
QCOL Fiber in 21520, MD
QCOL fiber coverage
About 25.36%, or 508 people, have QCOL fiber internet available to them in the zip. The company covers the northeast, north, northwest, west, east, and central 21520 area. QCOL is an average-sized internet service provider internet service providers in the US, with internet service available in a small portion of 21520.
QCOL fiber download speeds
QCOL is the fastest when comparing download speeds to all other internet providers in 21520. Versus other fiber providers in the area, QCOL fiber is the fastest. There are no different maximum speeds throughout 21520. The fastest plan anyone in 21520 can order from QCOL goes up to 10,000 Mbps, and all 21520 customers can get this speed.
Show all download speeds
- 100.0% up to 10,000.0 Mbps
QCOL fiber upload speeds
In 21520 download speeds tend to be equal to than upload speeds for QCOL fiber. Compared to other ISPs, QCOL is the fastest where upload speeds are concerned, and the fastest compared to other 21520 fiber providers. QCOL offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21520 is up to 10,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10,000.0 Mbps
PROCOM Fiber in 21520, MD
PROCOM fiber coverage
About 1.50%, or 30 people, have PROCOM fiber internet available to them in the zip. The company covers the southwest 21520 area. PROCOM is a small internet service provider internet service providers in the US, with internet service available in a very small piece of 21520.
PROCOM fiber download speeds
PROCOM is below average when comparing download speeds to all other internet providers in 21520. Versus other fiber providers in the area, PROCOM fiber is the slowest. There are no different maximum speeds throughout 21520. The fastest plan anyone in 21520 can order from PROCOM goes up to 1,000 Mbps, and all 21520 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
PROCOM fiber upload speeds
In 21520 download speeds tend to be equal to than upload speeds for PROCOM fiber. Compared to other ISPs, PROCOM is below average where upload speeds are concerned, and the slowest compared to other 21520 fiber providers. PROCOM offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21520 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
21520 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 21520 or any of the areas nearby.
How does fiber internet in 21520 compare to the rest of Maryland?
Fiber internet speeds in 21520 are much faster versus the average speeds in Maryland: 0.00 Mbps in Maryland versus 9,498 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Maryland is 0.00% versus 26.86% in 21520.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 21520 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
- 21541, MD: more fiber coverage, slower speeds
- 21531, MD: more fiber coverage, faster speeds
- 15411, PA: more fiber coverage, faster speeds
- 21536, MD: less fiber coverage, slower speeds
- 15540, PA: less fiber coverage, slower speeds
- 15459, PA: more fiber coverage, slower speeds
- 26525, WV: more fiber coverage, slower speeds
- 21539, MD: less fiber coverage, slower speeds
- 15440, PA: more fiber coverage, slower speeds
- 26519, WV: more fiber coverage, slower speeds
Zip Codes with Similar Populations
- 97836, OR: more fiber coverage, slower speeds
- 72013, AR: more fiber coverage, slower speeds
- 56672, MN: more fiber coverage, slower speeds
- 17505, PA: more fiber coverage, slower speeds
- 80447, CO: less fiber coverage, slower speeds
- 16256, PA: more fiber coverage, faster speeds
- 15639, PA: less fiber coverage, slower speeds
- 15480, PA: less fiber coverage, faster speeds
- 13459, NY: less fiber coverage, slower speeds
- 05828, VT: more fiber coverage, slower speeds