In 21677 there are 2 residential Fiber providers covering 43.61% of the zip. The average home can get speeds up to 1,581 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 21677, MD.
To see availability maps for all providers including fiber, cable, DSL, and more in 21677, MD please click below.
Fiber Internet Service Providers in 21677
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 21677 are not shown.
21677 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 21677 is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 43.61% of 21677. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is XFINITY. Call one of the companies with service in 21677 above to see who has service at your home.
How fast is fiber internet in 21677?
The map below shows maximum fiber internet speeds by area in 21677.

Fiber Internet Speed Key
The average 21677 home can get up to 1,581 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 2,500 Mbps, which 12.77% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 30.84% of homes can only purchase plans up to 1,200 Mbps. See the internet provider details below for info about their speed and coverage in 21677.
Fiber internet speeds tend to be faster in the northwest parts of 21677, and slower in the southeast areas of the zip.
Is fiber the fastest internet I can get in 21677?
The fastest internet for you may vary based on where in 21677 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 12.77% of 21677 homes.
- Cable is fastest for 86.02% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.20%.
- Satellite internet may be the only option for less than 1% of 21677 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 21677, along with details on where in 21677 and at what speeds.
XFINITY from Comcast Fiber in 21677, MD

XFINITY fiber coverage
About 30.84%, or 128 people, have XFINITY fiber internet available to them in the zip. The company covers the southeast and east 21677 area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of 21677.
XFINITY from Comcast fiber download speeds
XFINITY is above average when comparing download speeds to all other internet providers in 21677. Versus other fiber providers in the area, XFINITY fiber is the slowest. There are no different maximum speeds throughout 21677. The fastest plan anyone in 21677 can order from XFINITY goes up to 1,200 Mbps, and all 21677 customers can get this speed.
Show all download speeds
- 100.0% up to 1,200.0 Mbps
XFINITY from Comcast fiber upload speeds
In 21677 download speeds tend to be faster than than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the slowest compared to other 21677 fiber providers. XFINITY offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21677 is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Choptank Fiber Fiber in 21677, MD

Choptank Fiber fiber coverage
About 12.77%, or 53 people, have Choptank Fiber fiber internet available to them in the zip. The company covers the northwest 21677 area. Choptank Fiber is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 21677.
Choptank Fiber fiber download speeds
Choptank Fiber is the fastest when comparing download speeds to all other internet providers in 21677. Versus other fiber providers in the area, Choptank Fiber fiber is the fastest. There are no different maximum speeds throughout 21677. The fastest plan anyone in 21677 can order from Choptank Fiber goes up to 2,500 Mbps, and all 21677 customers can get this speed.
Show all download speeds
- 100.0% up to 2,500.0 Mbps
Choptank Fiber fiber upload speeds
In 21677 download speeds tend to be equal to than upload speeds for Choptank Fiber fiber. Compared to other ISPs, Choptank Fiber is the fastest where upload speeds are concerned, and the fastest compared to other 21677 fiber providers. Choptank Fiber offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21677 is up to 2,500 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 2,500.0 Mbps
21677 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 21677 or any of the areas nearby.
How does fiber internet in 21677 compare to the rest of Maryland?
Fiber internet speeds in 21677 are much faster versus the average speeds in Maryland: 0.00 Mbps in Maryland versus 1,581 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Maryland is 0.00% versus 43.61% in 21677.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 21677 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
- 21648, MD: less fiber coverage, slower speeds
- 21622, MD: more fiber coverage, faster speeds
- 21613, MD: less fiber coverage, slower speeds
- 21669, MD: more fiber coverage, faster speeds
- 21835, MD: more fiber coverage, slower speeds
- 21654, MD: less fiber coverage, slower speeds
- 21673, MD: more fiber coverage, slower speeds
- 21631, MD: more fiber coverage, slower speeds
- 21664, MD: more fiber coverage, faster speeds
- 21869, MD: less fiber coverage, faster speeds
Zip Codes with Similar Populations
- 15676, PA: more fiber coverage, slower speeds
- 15739, PA: less fiber coverage, faster speeds
- 37376, TN: less fiber coverage, slower speeds
- 36773, AL: less fiber coverage, slower speeds
- 80727, CO: more fiber coverage, slower speeds
- 23023, VA: more fiber coverage, slower speeds
- 78614, TX: less fiber coverage, slower speeds
- 23857, VA: more fiber coverage, slower speeds
- 51543, IA: more fiber coverage, slower speeds
- 24562, VA: more fiber coverage, slower speeds


