In 21734 there are 3 residential Fiber providers covering 100.00% of the zip. The average home can get speeds up to 2,300 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 21734, MD.
To see availability maps for all providers including fiber, cable, DSL, and more in 21734, MD please click below.
Fiber Internet Service Providers in 21734
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 21734 are not shown.
21734 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 21734 is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 100.00% of 21734. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Antietam Broadband. Call one of the companies with service in 21734 above to see who has service at your home.
How fast is fiber internet in 21734?
The map below shows maximum fiber internet speeds by area in 21734.

Fiber Internet Speed Key
The average 21734 home can get up to 2,300 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 2,300 Mbps, which 100.00% of residents can get.
Is fiber the fastest internet I can get in 21734?
The fastest internet for you may vary based on where in 21734 you live. In general, satellite competes most often with fiber in the zip.
- Fiber is the fastest internet type for 100.00% of 21734 homes.
- Cable is fastest for less than 1% 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 21734 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 21734, along with details on where in 21734 and at what speeds.
Antietam Broadband Fiber in 21734, MD

Antietam Broadband fiber coverage
About 100.00%, or 778 people, have Antietam Broadband fiber internet available to them in the zip. The company covers the entire 21734 area. Antietam Broadband is a large internet service provider internet service providers in the US, with internet service available in every corner of 21734.
Antietam Broadband fiber download speeds
Antietam Broadband is the fastest when comparing download speeds to all other internet providers in 21734. Versus other fiber providers in the area, Antietam Broadband fiber is the fastest. There are no different maximum speeds throughout 21734. The fastest plan anyone in 21734 can order from Antietam Broadband goes up to 2,300 Mbps, and all 21734 customers can get this speed.
Show all download speeds
- 100.0% up to 2,300.0 Mbps
Antietam Broadband fiber upload speeds
In 21734 download speeds tend to be equal to than upload speeds for Antietam Broadband fiber. Compared to other ISPs, Antietam Broadband is the fastest where upload speeds are concerned, and the fastest compared to other 21734 fiber providers. Antietam Broadband offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21734 is up to 2,300 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 2,300.0 Mbps
XFINITY from Comcast Fiber in 21734, MD

XFINITY fiber coverage
About 100.00%, or 778 people, have XFINITY fiber internet available to them in the zip. The company covers the entire 21734 area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of 21734.
XFINITY from Comcast fiber download speeds
XFINITY is above average when comparing download speeds to all other internet providers in 21734. Versus other fiber providers in the area, XFINITY fiber is one of the slowest. There are no different maximum speeds throughout 21734. The fastest plan anyone in 21734 can order from XFINITY goes up to 1,000 Mbps, and all 21734 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
XFINITY from Comcast fiber upload speeds
In 21734 download speeds tend to be equal to than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is above average where upload speeds are concerned, and one of the slowest compared to other 21734 fiber providers. XFINITY offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21734 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Point Broadband Fiber in 21734, MD

Point Broadband fiber coverage
About 12.98%, or 101 people, have Point Broadband fiber internet available to them in the zip. The company covers the central, south, and east 21734 area. Point Broadband is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 21734.
Point Broadband fiber download speeds
Point Broadband is above average when comparing download speeds to all other internet providers in 21734. Versus other fiber providers in the area, Point Broadband fiber is one of the slowest. There are no different maximum speeds throughout 21734. The fastest plan anyone in 21734 can order from Point Broadband goes up to 1,000 Mbps, and all 21734 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Point Broadband fiber upload speeds
In 21734 download speeds tend to be equal to than upload speeds for Point Broadband fiber. Compared to other ISPs, Point Broadband is above average where upload speeds are concerned, and one of the slowest compared to other 21734 fiber providers. Point Broadband offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 21734 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
21734 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 21734 or any of the areas nearby.
How does fiber internet in 21734 compare to the rest of Maryland?
Fiber internet speeds in 21734 are much faster versus the average speeds in Maryland: 0.00 Mbps in Maryland versus 2,300 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Maryland is 0.00% versus 100.00% in 21734.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 21734 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
- 21740, MD: less fiber coverage, slower speeds
- 21742, MD: less fiber coverage, slower speeds
- 21733, MD: less fiber coverage, slower speeds
- 21795, MD: less fiber coverage, slower speeds
- 21713, MD: less fiber coverage, slower speeds
- 21767, MD: equal fiber coverage, slower speeds
- 21783, MD: less fiber coverage, slower speeds
- 17263, PA: equal fiber coverage, slower speeds
- 25419, WV: less fiber coverage, faster speeds
- 21722, MD: less fiber coverage, similar speeds
Zip Codes with Similar Populations
- 64767, MO: less fiber coverage, slower speeds
- 63735, MO: equal fiber coverage, slower speeds
- 56349, MN: equal fiber coverage, slower speeds
- 46988, IN: less fiber coverage, slower speeds
- 64756, MO: less fiber coverage, slower speeds
- 01258, MA: less fiber coverage, faster speeds
- 63536, MO: less fiber coverage, slower speeds
- 61875, IL: less fiber coverage, slower speeds
- 61454, IL: less fiber coverage, slower speeds
- 59638, MT: less fiber coverage, slower speeds


