In Port Isabel there is 1 residential Cable provider covering 93.43% of the city. 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 Cable internet providers in Port Isabel, TX.
To see availability maps for all providers including fiber, cable, DSL, and more in Port Isabel, TX please click below.
Port Isabel, TX Availability Maps
Cable Internet Service Provider in Port Isabel
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 Port Isabel are not shown.
Port Isabel 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 Port Isabel is cable internet available?
Cable Internet Availability Key
Cable is available in 93.43% of Port Isabel. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Spectrum. Call one of the companies with service in Port Isabel above to see who has service at your home.
How fast is cable internet in Port Isabel?
The map below shows maximum cable internet speeds by area in Port Isabel.
Cable Internet Speed Key
The average Port Isabel home can get up to 1,000 Mbps on their cable internet plan. The fastest cable download speed in the city is 1,000 Mbps, which 93.43% of residents can get.
Is cable the fastest internet I can get in Port Isabel?
The fastest internet for you may vary based on where in Port Isabel you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 41.17% of Port Isabel homes.
- Cable is fastest for 52.62% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for 5.33% of Port Isabel homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Port Isabel, along with details on where in Port Isabel and at what speeds.
Spectrum Cable in Port Isabel, TX
Spectrum cable coverage
About 93.43%, or 6,105 people, have Spectrum cable internet available to them in the city. The company covers the northwest, central, east, north, south, southeast, and northeast Port Isabel area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Port Isabel.
Spectrum cable download speeds
Spectrum is above average when comparing download speeds to all other internet providers in Port Isabel. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout Port Isabel. The fastest plan anyone in Port Isabel can order from Spectrum goes up to 1,000 Mbps, and all Port Isabel customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Port Isabel download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the fastest compared to other Port Isabel cable providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Port Isabel is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Port Isabel Cable by Area
This information is most helpful to those looking for homes or considering moving to Port Isabel or any of the areas nearby.
How does cable internet in Port Isabel compare to the rest of Texas?
Cable internet speeds in Port Isabel are much faster versus the average speeds in Texas: 0.00 Mbps in Texas versus 1,000 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Texas is 0.00% versus 93.43% in Port Isabel.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Port Isabel are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does cable internet look like in other cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- South Padre Island, TX: less cable coverage, similar speeds
- Laguna Vista, TX: more cable coverage, similar speeds
- Bayview, TX: less cable coverage, similar speeds
- Los Fresnos, TX: less cable coverage, similar speeds
- Indian Lake, TX: more cable coverage, similar speeds
- Brownsville, TX: more cable coverage, similar speeds
- Olmito, TX: less cable coverage, similar speeds
- Laureles, TX: more cable coverage, similar speeds
- Lozano, TX: less cable coverage, similar speeds
- Rancho Viejo, TX: more cable coverage, similar speeds
Cities with Similar Populations
- Carrollton, KY: less cable coverage, similar speeds
- Charleroi, PA: more cable coverage, faster speeds
- Chapel Hill, TN: less cable coverage, similar speeds
- Wrightsville, PA: more cable coverage, faster speeds
- Catasauqua, PA: more cable coverage, faster speeds
- Castleton On Hudson, NY: more cable coverage, similar speeds
- Castaner, PR: less cable coverage, similar speeds
- Cassopolis, MI: less cable coverage, faster speeds
- Cashmere, WA: less cable coverage, similar speeds
- Caruthersville, MO: less cable coverage, similar speeds