In 78203 there are 3 residential Fiber providers covering 100.00% of the zip. The average home can get speeds up to 4,748 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 78203, TX.
To see availability maps for all providers including fiber, cable, DSL, and more in 78203, TX please click below.
Fiber Internet Service Providers in 78203
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 78203 are not shown.
78203 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 78203 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 100.00% of 78203. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is AT&T. Call one of the companies with service in 78203 above to see who has service at your home.
How fast is fiber internet in 78203?
The map below shows maximum fiber internet speeds by area in 78203.
Fiber Internet Speed Key
The average 78203 home can get up to 4,748 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 5,000 Mbps, which 93.71% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 6.29% 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 78203.
Fiber internet speeds tend to be faster in the southeast parts of 78203, and slower in the northeast areas of the zip.
Is fiber the fastest internet I can get in 78203?
The fastest internet for you may vary based on where in 78203 you live. In general, satellite competes most often with fiber in the zip.
- Fiber is the fastest internet type for 100.00% of 78203 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 78203 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 78203, along with details on where in 78203 and at what speeds.
EarthLink Fiber in 78203, TX
EarthLink fiber coverage
About 100.00%, or 5,805 people, have EarthLink fiber internet available to them in the zip. The company covers the entire 78203 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of 78203.
EarthLink fiber download speeds
EarthLink is one of the fastest when comparing download speeds to all other internet providers in 78203. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are 2 different maximum speeds throughout 78203. The fastest plan anyone in 78203 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 78203 customers is up to 4,748 Mbps.
Show all download speeds
- 93.7% up to 5,000.0 Mbps
- 6.3% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In 78203 download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is one of the fastest where upload speeds are concerned, and one of the fastest compared to other 78203 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 78203 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 4,748 Mbps.
Show all upload speeds
- 93.7% up to 5,000.0 Mbps
- 6.3% up to 1,000.0 Mbps
AT&T Fiber in 78203, TX
AT&T fiber coverage
About 100.00%, or 5,805 people, have AT&T fiber internet available to them in the zip. The company covers the entire 78203 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of 78203.
AT&T fiber download speeds
AT&T is one of the fastest when comparing download speeds to all other internet providers in 78203. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are 2 different maximum speeds throughout 78203. The fastest plan anyone in 78203 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 78203 customers is up to 4,748 Mbps.
Show all download speeds
- 93.7% up to 5,000.0 Mbps
- 6.3% up to 1,000.0 Mbps
AT&T fiber upload speeds
In 78203 download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is one of the fastest where upload speeds are concerned, and one of the fastest compared to other 78203 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 78203 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 4,748 Mbps.
Show all upload speeds
- 93.7% up to 5,000.0 Mbps
- 6.3% up to 1,000.0 Mbps
Astound Broadband Fiber in 78203, TX
Astound Broadband fiber coverage
About 4.67%, or 271 people, have Astound Broadband fiber internet available to them in the zip. The company covers the east 78203 area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of 78203.
Astound Broadband fiber download speeds
Astound Broadband is above average when comparing download speeds to all other internet providers in 78203. Versus other fiber providers in the area, Astound Broadband fiber is below average. There are no different maximum speeds throughout 78203. The fastest plan anyone in 78203 can order from Astound Broadband goes up to 1,500 Mbps, and all 78203 customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
Astound Broadband fiber upload speeds
In 78203 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 78203 fiber providers. Astound Broadband offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 78203 is up to 1,500 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,500.0 Mbps
78203 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 78203 or any of the areas nearby.
How does fiber internet in 78203 compare to the rest of Texas?
Fiber internet speeds in 78203 are much faster versus the average speeds in Texas: 0.00 Mbps in Texas versus 4,748 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Texas is 0.00% versus 100.00% in 78203.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 78203 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
- 78202, TX: less fiber coverage, faster speeds
- 78210, TX: less fiber coverage, faster speeds
- 78208, TX: less fiber coverage, slower speeds
- 78205, TX: less fiber coverage, slower speeds
- 78215, TX: less fiber coverage, slower speeds
- 78204, TX: less fiber coverage, faster speeds
- 78220, TX: less fiber coverage, faster speeds
- 78207, TX: less fiber coverage, faster speeds
- 78212, TX: less fiber coverage, faster speeds
- 78214, TX: less fiber coverage, slower speeds
Zip Codes with Similar Populations
- 29555, SC: less fiber coverage, slower speeds
- 85147, AZ: less fiber coverage, slower speeds
- 84627, UT: less fiber coverage, slower speeds
- 32666, FL: less fiber coverage, slower speeds
- 31634, GA: less fiber coverage, slower speeds
- 30563, GA: less fiber coverage, slower speeds
- 30292, GA: less fiber coverage, slower speeds
- 29661, SC: less fiber coverage, faster speeds
- 92121, CA: less fiber coverage, slower speeds
- 29511, SC: less fiber coverage, slower speeds