In 21154 there are 3 residential Fiber providers covering 63.83% of the zip. The average home can get speeds up to 990 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 21154, MD.
To see availability maps for all providers including fiber, cable, DSL, and more in 21154, MD please click below.
Fiber Internet Service Providers in 21154
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 21154 are not shown.
21154 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 21154 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 63.83% of 21154. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is THINKBIG NETWORKS. Call one of the companies with service in 21154 above to see who has service at your home.
How fast is fiber internet in 21154?
The map below shows maximum fiber internet speeds by area in 21154.
Fiber Internet Speed Key
The average 21154 home can get up to 990 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 1,000 Mbps, which 53.12% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 10.70% of homes can only purchase plans up to 940 Mbps. See the internet provider details below for info about their speed and coverage in 21154.
Fiber internet speeds tend to be faster in the central parts of 21154, and slower in the northwest areas of the zip.
Is fiber the fastest internet I can get in 21154?
The fastest internet for you may vary based on where in 21154 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 53.12% of 21154 homes.
- Cable is fastest for 46.14% 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 21154 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 21154, along with details on where in 21154 and at what speeds.
THINKBIG NETWORKS Fiber in 21154, MD
THINKBIG NETWORKS fiber coverage
About 53.12%, or 3,231 people, have THINKBIG NETWORKS fiber internet available to them in the zip. The company covers the southeast, central, north, south, northeast, southwest, and west 21154 area. THINKBIG NETWORKS is a large internet service provider internet service providers in the US, with internet service available in a majority of 21154.
THINKBIG NETWORKS fiber download speeds
THINKBIG NETWORKS is one of the fastest when comparing download speeds to all other internet providers in 21154. Versus other fiber providers in the area, THINKBIG NETWORKS fiber is the fastest. There are no different maximum speeds throughout 21154. The fastest plan anyone in 21154 can order from THINKBIG NETWORKS goes up to 1,000 Mbps, and all 21154 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
THINKBIG NETWORKS fiber upload speeds
In 21154 download speeds tend to be equal to than upload speeds for THINKBIG NETWORKS fiber. Compared to other ISPs, THINKBIG NETWORKS is the fastest where upload speeds are concerned, and the fastest compared to other 21154 fiber providers. THINKBIG NETWORKS offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21154 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
EarthLink Fiber in 21154, MD
EarthLink fiber coverage
About 24.70%, or 1,502 people, have EarthLink fiber internet available to them in the zip. The company covers the southeast, south, northwest, west, and southwest 21154 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of 21154.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in 21154. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are no different maximum speeds throughout 21154. The fastest plan anyone in 21154 can order from EarthLink goes up to 940 Mbps, and all 21154 customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
EarthLink fiber upload speeds
In 21154 download speeds tend to be faster than than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and one of the slowest compared to other 21154 fiber providers. EarthLink offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21154 is up to 880 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 880.0 Mbps
Verizon Fiber in 21154, MD
Verizon fiber coverage
About 24.70%, or 1,502 people, have Verizon fiber internet available to them in the zip. The company covers the southeast, south, northwest, west, and southwest 21154 area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of 21154.
Verizon fiber download speeds
Verizon is above average when comparing download speeds to all other internet providers in 21154. Versus other fiber providers in the area, Verizon fiber is one of the slowest. There are no different maximum speeds throughout 21154. The fastest plan anyone in 21154 can order from Verizon goes up to 940 Mbps, and all 21154 customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Verizon fiber upload speeds
In 21154 download speeds tend to be faster than than upload speeds for Verizon fiber. Compared to other ISPs, Verizon is above average where upload speeds are concerned, and one of the slowest compared to other 21154 fiber providers. Verizon offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21154 is up to 880 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 880.0 Mbps
21154 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 21154 or any of the areas nearby.
How does fiber internet in 21154 compare to the rest of Maryland?
Fiber internet speeds in 21154 are much faster versus the average speeds in Maryland: 0.00 Mbps in Maryland versus 990 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Maryland is 0.00% versus 63.83% in 21154.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 21154 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
- 21160, MD: more fiber coverage, faster speeds
- 21132, MD: more fiber coverage, faster speeds
- 21050, MD: more fiber coverage, slower speeds
- 21034, MD: less fiber coverage, faster speeds
- 17314, PA: less fiber coverage, faster speeds
- 21084, MD: more fiber coverage, slower speeds
- 21014, MD: more fiber coverage, slower speeds
- 21028, MD: less fiber coverage, slower speeds
- 17321, PA: less fiber coverage, faster speeds
- 21015, MD: more fiber coverage, slower speeds
Zip Codes with Similar Populations
- 19543, PA: more fiber coverage, faster speeds
- 10577, NY: less fiber coverage, faster speeds
- 11109, NY: more fiber coverage, faster speeds
- 12090, NY: more fiber coverage, slower speeds
- 13073, NY: more fiber coverage, slower speeds
- 13856, NY: more fiber coverage, faster speeds
- 75457, TX: more fiber coverage, faster speeds
- 75141, TX: more fiber coverage, faster speeds
- 72432, AR: less fiber coverage, faster speeds
- 71646, AR: more fiber coverage, faster speeds