In 78721 there are 5 residential Fiber providers covering 96.83% of the zip. The average home can get speeds up to 7,299 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 78721, TX.
To see availability maps for all providers including fiber, cable, DSL, and more in 78721, TX please click below.
Fiber Internet Service Providers in 78721
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 78721 are not shown.
78721 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 78721 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 96.83% of 78721. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Google Fiber. Call one of the companies with service in 78721 above to see who has service at your home.
How fast is fiber internet in 78721?
The map below shows maximum fiber internet speeds by area in 78721.
Fiber Internet Speed Key
The average 78721 home can get up to 7,299 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 8,000 Mbps, which 74.30% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% 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 78721.
Fiber internet speeds tend to be faster in the west parts of 78721, and slower in the southeast areas of the zip.
Is fiber the fastest internet I can get in 78721?
The fastest internet for you may vary based on where in 78721 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 96.83% of 78721 homes.
- Cable is fastest for 3.17% 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 78721 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 78721, along with details on where in 78721 and at what speeds.
EarthLink Fiber in 78721, TX
EarthLink fiber coverage
About 88.52%, or 9,720 people, have EarthLink fiber internet available to them in the zip. The company covers the entire 78721 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of 78721.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in 78721. Versus other fiber providers in the area, EarthLink fiber is above average. There are 2 different maximum speeds throughout 78721. The fastest plan anyone in 78721 can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the zip-wide average maximum speed for 78721 customers is up to 4,997 Mbps.
Show all download speeds
- 99.9% up to 5,000.0 Mbps
- 0.1% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In 78721 download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and above average compared to other 78721 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 78721 is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, EarthLink customers can get speeds up to 4,997 Mbps.
Show all upload speeds
- 99.9% up to 5,000.0 Mbps
- 0.1% up to 1,000.0 Mbps
AT&T Fiber in 78721, TX
AT&T fiber coverage
About 88.52%, or 9,720 people, have AT&T fiber internet available to them in the zip. The company covers the entire 78721 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of 78721.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in 78721. Versus other fiber providers in the area, AT&T fiber is above average. There are 2 different maximum speeds throughout 78721. The fastest plan anyone in 78721 can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the zip-wide average maximum speed for 78721 customers is up to 4,997 Mbps.
Show all download speeds
- 99.9% up to 5,000.0 Mbps
- 0.1% up to 1,000.0 Mbps
AT&T fiber upload speeds
In 78721 download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and above average compared to other 78721 fiber providers. AT&T 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 78721 is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, AT&T customers can get speeds up to 4,997 Mbps.
Show all upload speeds
- 99.9% up to 5,000.0 Mbps
- 0.1% up to 1,000.0 Mbps
Google Fiber Fiber in 78721, TX
Google Fiber fiber coverage
About 74.30%, or 8,158 people, have Google Fiber fiber internet available to them in the zip. The company covers the entire 78721 area. Google Fiber is one of the largest internet service providers internet service providers in the US, with internet service available in much of 78721.
Google Fiber fiber download speeds
Google Fiber is the fastest when comparing download speeds to all other internet providers in 78721. Versus other fiber providers in the area, Google Fiber fiber is the fastest. There are no different maximum speeds throughout 78721. The fastest plan anyone in 78721 can order from Google Fiber goes up to 8,000 Mbps, and all 78721 customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
Google Fiber fiber upload speeds
In 78721 download speeds tend to be equal to than upload speeds for Google Fiber fiber. Compared to other ISPs, Google Fiber is the fastest where upload speeds are concerned, and the fastest compared to other 78721 fiber providers. Google Fiber offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 78721 is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
Astound Broadband Fiber in 78721, TX
Astound Broadband fiber coverage
About 24.39%, or 2,678 people, have Astound Broadband fiber internet available to them in the zip. The company covers the southwest, west, northwest, southeast, and south 78721 area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of 78721.
Astound Broadband fiber download speeds
Astound Broadband is below average when comparing download speeds to all other internet providers in 78721. Versus other fiber providers in the area, Astound Broadband fiber is below average. There are no different maximum speeds throughout 78721. The fastest plan anyone in 78721 can order from Astound Broadband goes up to 1,500 Mbps, and all 78721 customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
Astound Broadband fiber upload speeds
In 78721 download speeds tend to be equal to than upload speeds for Astound Broadband fiber. Compared to other ISPs, Astound Broadband is above average where upload speeds are concerned, and below average compared to other 78721 fiber providers. Astound Broadband offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 78721 is up to 1,500 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,500.0 Mbps
Spectrum Fiber in 78721, TX
Spectrum fiber coverage
About 2.25%, or 247 people, have Spectrum fiber internet available to them in the zip. The company covers the east and southeast 78721 area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 78721.
Spectrum fiber download speeds
Spectrum is below average when comparing download speeds to all other internet providers in 78721. Versus other fiber providers in the area, Spectrum fiber is the slowest. There are no different maximum speeds throughout 78721. The fastest plan anyone in 78721 can order from Spectrum goes up to 1,000 Mbps, and all 78721 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In 78721 download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the slowest compared to other 78721 fiber providers. Spectrum offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 78721 is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
78721 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 78721 or any of the areas nearby.
How does fiber internet in 78721 compare to the rest of Texas?
Fiber internet speeds in 78721 are much faster versus the average speeds in Texas: 0.00 Mbps in Texas versus 7,299 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Texas is 0.00% versus 96.83% in 78721.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 78721 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
- 78702, TX: more fiber coverage, slower speeds
- 78722, TX: more fiber coverage, faster speeds
- 78723, TX: more fiber coverage, faster speeds
- 78742, TX: less fiber coverage, slower speeds
- 78751, TX: more fiber coverage, slower speeds
- 78724, TX: less fiber coverage, slower speeds
- 78705, TX: less fiber coverage, slower speeds
- 78741, TX: less fiber coverage, faster speeds
- 78701, TX: less fiber coverage, slower speeds
- 78752, TX: less fiber coverage, faster speeds
Zip Codes with Similar Populations
- 71635, AR: less fiber coverage, slower speeds
- 15211, PA: more fiber coverage, slower speeds
- 17319, PA: less fiber coverage, slower speeds
- 18073, PA: less fiber coverage, slower speeds
- 18252, PA: less fiber coverage, slower speeds
- 18657, PA: less fiber coverage, slower speeds
- 30531, GA: less fiber coverage, slower speeds
- 31036, GA: less fiber coverage, slower speeds
- 00707, PR: less fiber coverage, slower speeds
- 31788, GA: less fiber coverage, slower speeds