In 78021 there is 1 residential Fiber provider covering 84.06% of the zip. The average home can get speeds up to 1,000 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 78021, TX.
To see availability maps for all providers including fiber, cable, DSL, and more in 78021, TX please click below.
Fiber Internet Service Provider in 78021
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 78021 are not shown.
78021 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 78021 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 84.06% of 78021. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is VTX1 Companies. Call one of the companies with service in 78021 above to see who has service at your home.
How fast is fiber internet in 78021?
The map below shows maximum fiber internet speeds by area in 78021.
Fiber Internet Speed Key
The average 78021 home can get up to 1,000 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 1,000 Mbps, which 84.06% of residents can get.
Is fiber the fastest internet I can get in 78021?
The fastest internet for you may vary based on where in 78021 you live. In general, fixed wireless competes most often with fiber in the zip.
- Fiber is the fastest internet type for 84.06% of 78021 homes.
- Cable is fastest for less than 1% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 15.94%.
- Satellite internet may be the only option for less than 1% of 78021 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 78021, along with details on where in 78021 and at what speeds.
VTX1 Companies Fiber in 78021, TX
VTX1 Companies fiber coverage
About 84.06%, or 116 people, have VTX1 Companies fiber internet available to them in the zip. The company covers the south, southwest, northeast, west, central, east, southeast, and northwest 78021 area. VTX1 Companies is a large internet service provider internet service providers in the US, with internet service available in much of 78021.
VTX1 Companies fiber download speeds
VTX1 Companies is the fastest when comparing download speeds to all other internet providers in 78021. Versus other fiber providers in the area, VTX1 Companies fiber is the fastest. There are no different maximum speeds throughout 78021. The fastest plan anyone in 78021 can order from VTX1 Companies goes up to 1,000 Mbps, and all 78021 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
VTX1 Companies fiber upload speeds
In 78021 download speeds tend to be equal to than upload speeds for VTX1 Companies fiber. Compared to other ISPs, VTX1 Companies is the fastest where upload speeds are concerned, and the fastest compared to other 78021 fiber providers. VTX1 Companies offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 78021 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
78021 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 78021 or any of the areas nearby.
How does fiber internet in 78021 compare to the rest of Texas?
Fiber internet speeds in 78021 are much faster versus the average speeds in Texas: 0.00 Mbps in Texas versus 1,000 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Texas is 0.00% versus 84.06% in 78021.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 78021 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
- 78072, TX: more fiber coverage, similar speeds
- 78014, TX: less fiber coverage, similar speeds
- 78007, TX: less fiber coverage, similar speeds
- 78071, TX: less fiber coverage, faster speeds
- 78022, TX: less fiber coverage, faster speeds
- 78836, TX: less fiber coverage, similar speeds
- 78142, TX: more fiber coverage, similar speeds
- 78162, TX: less fiber coverage, similar speeds
- 78102, TX: less fiber coverage, similar speeds
- 78107, TX: more fiber coverage, similar speeds
Zip Codes with Similar Populations
- 46931, IN: more fiber coverage, similar speeds
- 46946, IN: less fiber coverage, similar speeds
- 46998, IN: less fiber coverage, faster speeds
- 47924, IN: more fiber coverage, similar speeds
- 49852, MI: less fiber coverage, similar speeds
- 49883, MI: less fiber coverage, slower speeds
- 58216, ND: more fiber coverage, similar speeds
- 75642, TX: more fiber coverage, similar speeds
- 46155, IN: less fiber coverage, faster speeds
- 78371, TX: more fiber coverage, faster speeds