In Port Isabel there are 9 residential internet providers covering 94.67% of the city. The average home can get speeds up to 2,481 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.
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9 Internet Service Providers 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
Availability maps for all providers in Port Isabel
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
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Internet service is available in 94.67% of Port Isabel. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is Smartcom Telephone. Now you can call companies in Port Isabel with more confidence that they might be available.
How fast are internet speeds in Port Isabel?
The map below shows maximum internet speeds by area in Port Isabel.
Internet Speed Key
The average Port Isabel home can get up to 2,481 Mbps on their internet plan. For most people, the fastest download speed in the city is 5,000 Mbps, which 35.23% 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 100 Mbps. See the internet provider details below for info about their speed and coverage in Port Isabel.
Internet speeds tend to be faster in the central parts of Port Isabel, and slower in the southwest areas of the city.
What type of internet should I choose in Port Isabel?
The fastest internet for you may vary based on where in Port Isabel you live. If speed is your main concern, cable will be the fastest internet 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.
Internet Market Health in Port Isabel
Internet Competition Key
The map shows how competitive the Port Isabel internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in Port Isabel based on what connections the average home has availabile:
- Average number of internet service providers to a home: 4.7 (healthy)
- Average types of service (fiber, cable, DSL, etc): 2.8 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 3.7 (unhealthy)
Overall, competition is healthy.
Port Isabel internet customers have the ability to buy internet service from 1 to 9 different providers, depending on where they live. For different types of service, Port Isabel homes have between 1 and 4 options. The type(s) of service available are cable, fixed wireless, dsl, and fiber, though these may vary depending on the region within the city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Port Isabel internet customers who want faster speeds have between 1 and 7 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, Port Isabel is doing better than most.
TV & Internet 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
AT&T DSL in Port Isabel, TX
AT&T DSL coverage
About 45.61%, or 2,980 people, have AT&T DSL internet available to them in the city. The company covers the central, east, north, south, northwest, southeast, and northeast Port Isabel area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some of Port Isabel.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Port Isabel. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are no different maximum speeds throughout Port Isabel. The fastest plan anyone in Port Isabel can order from AT&T goes up to 10 Mbps, and all Port Isabel customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
AT&T DSL upload speeds
In Port Isabel download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the fastest compared to other Port Isabel DSL providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Port Isabel is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
EarthLink DSL in Port Isabel, TX
EarthLink DSL coverage
About 45.61%, or 2,980 people, have EarthLink DSL internet available to them in the city. The company covers the central, east, north, south, northwest, southeast, and northeast Port Isabel area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of Port Isabel.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Port Isabel. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are no different maximum speeds throughout Port Isabel. The fastest plan anyone in Port Isabel can order from EarthLink goes up to 10 Mbps, and all Port Isabel customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In Port Isabel download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the fastest compared to other Port Isabel DSL providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Port Isabel is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Smartcom Telephone Fiber in Port Isabel, TX
Smartcom Telephone fiber coverage
About 35.23%, or 2,302 people, have Smartcom Telephone fiber internet available to them in the city. The company covers the central, northwest, east, north, and northeast Port Isabel area. Smartcom Telephone is a large internet service provider internet service providers in the US, with internet service available in some of Port Isabel.
Smartcom Telephone fiber download speeds
Smartcom Telephone is the fastest when comparing download speeds to all other internet providers in Port Isabel. Versus other fiber providers in the area, Smartcom Telephone fiber is the fastest. There are no different maximum speeds throughout Port Isabel. The fastest plan anyone in Port Isabel can order from Smartcom Telephone goes up to 5,000 Mbps, and all Port Isabel customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
Smartcom Telephone fiber upload speeds
In Port Isabel download speeds tend to be equal to than upload speeds for Smartcom Telephone fiber. Compared to other ISPs, Smartcom Telephone is the fastest where upload speeds are concerned, and the fastest compared to other Port Isabel fiber providers. Smartcom Telephone offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Port Isabel is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
Spectrum Fiber in Port Isabel, TX
Spectrum fiber coverage
About 5.94%, or 388 people, have Spectrum fiber internet available to them in the city. The company covers the northwest Port Isabel 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 Port Isabel.
Spectrum fiber download speeds
Spectrum is above average when comparing download speeds to all other internet providers in Port Isabel. Versus other fiber providers in the area, Spectrum fiber is the slowest. 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 fiber upload speeds
In Port Isabel 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 Port Isabel fiber 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 500 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 500.0 Mbps
Verizon Fixed Wireless in Port Isabel, TX
Verizon fixed wireless coverage
About 66.31%, or 4,333 people, have Verizon fixed wireless internet available to them in the city. The company covers the central, east, northwest, north, south, southeast, and northeast Port Isabel area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in much of Port Isabel.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Port Isabel. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Port Isabel. The fastest plan anyone in Port Isabel can order from Verizon goes up to 300 Mbps, and all Port Isabel customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Port Isabel download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and below average compared to other Port Isabel fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Port Isabel is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Gigabit Fiber Fixed Wireless in Port Isabel, TX
Gigabit Fiber fixed wireless coverage
About 64.08%, or 4,187 people, have Gigabit Fiber fixed wireless internet available to them in the city. The company covers the central, east, north, south, southeast, northwest, and northeast Port Isabel area. Gigabit Fiber is a large internet service provider internet service providers in the US, with internet service available in a majority of Port Isabel.
Gigabit Fiber fixed wireless download speeds
Gigabit Fiber is below average when comparing download speeds to all other internet providers in Port Isabel. Versus other fixed wireless providers in the area, Gigabit Fiber fixed wireless is below average. There are no different maximum speeds throughout Port Isabel. The fastest plan anyone in Port Isabel can order from Gigabit Fiber goes up to 100 Mbps, and all Port Isabel customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Gigabit Fiber fixed wireless upload speeds
In Port Isabel download speeds tend to be equal to than upload speeds for Gigabit Fiber fixed wireless. Compared to other ISPs, Gigabit Fiber is below average where upload speeds are concerned, and the fastest compared to other Port Isabel fixed wireless providers. Gigabit Fiber offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Port Isabel is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
T-Mobile Home Internet Fixed Wireless in Port Isabel, TX
T-Mobile Home Internet fixed wireless coverage
About 55.77%, or 3,644 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the central, northwest, east, south, north, southeast, and southwest Port Isabel area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Port Isabel.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in Port Isabel. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Port Isabel. The fastest plan anyone in Port Isabel can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Port Isabel customers is up to 61 Mbps.
Show all download speeds
- 48.1% up to 100.0 Mbps
- 51.9% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Port Isabel download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and below average compared to other Port Isabel fixed wireless providers. T-Mobile Home Internet offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Port Isabel is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 11 Mbps.
Show all upload speeds
- 48.1% up to 20.0 Mbps
- 51.9% up to 3.0 Mbps
EarthLink Fixed Wireless in Port Isabel, TX
EarthLink fixed wireless coverage
About 16.94%, or 1,107 people, have EarthLink fixed wireless internet available to them in the city. The company covers the central, north, northwest, southeast, and south Port Isabel area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Port Isabel.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Port Isabel. Versus other fixed wireless providers in the area, EarthLink fixed wireless is below average. There are 2 different maximum speeds throughout Port Isabel. The fastest plan anyone in Port Isabel can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Port Isabel customers is up to 95 Mbps.
Show all download speeds
- 92.8% up to 100.0 Mbps
- 7.2% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Port Isabel download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and below average compared to other Port Isabel fixed wireless providers. EarthLink offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Port Isabel is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 19 Mbps.
Show all upload speeds
- 92.8% up to 20.0 Mbps
- 7.2% up to 3.0 Mbps
AT&T Fixed Wireless in Port Isabel, TX
AT&T fixed wireless coverage
About 16.94%, or 1,107 people, have AT&T fixed wireless internet available to them in the city. The company covers the central, north, northwest, southeast, and south Port Isabel area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Port Isabel.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Port Isabel. Versus other fixed wireless providers in the area, AT&T fixed wireless is below average. There are 2 different maximum speeds throughout Port Isabel. The fastest plan anyone in Port Isabel can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Port Isabel customers is up to 95 Mbps.
Show all download speeds
- 92.8% up to 100.0 Mbps
- 7.2% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Port Isabel download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and below average compared to other Port Isabel fixed wireless providers. AT&T offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Port Isabel is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 19 Mbps.
Show all upload speeds
- 92.8% up to 20.0 Mbps
- 7.2% up to 3.0 Mbps
Port Isabel Internet 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 internet in Port Isabel compare to the rest of Texas?
Internet speeds in Port Isabel are slower versus the average speeds in Texas: 3,946 Mbps in Texas versus 2,481 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Texas is 98.82% versus 94.67% in Port Isabel.
What zip codes have widespread internet?
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 internet service 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 internet coverage, faster speeds
- Laguna Vista, TX: more internet coverage, slower speeds
- Bayview, TX: more internet coverage, slower speeds
- Los Fresnos, TX: more internet coverage, faster speeds
- Indian Lake, TX: more internet coverage, slower speeds
- Brownsville, TX: more internet coverage, faster speeds
- Olmito, TX: more internet coverage, faster speeds
- Laureles, TX: more internet coverage, slower speeds
- Lozano, TX: more internet coverage, slower speeds
- Rancho Viejo, TX: more internet coverage, slower speeds
Cities with Similar Populations
- Carrollton, KY: more internet coverage, slower speeds
- Charleroi, PA: more internet coverage, slower speeds
- Chapel Hill, TN: more internet coverage, slower speeds
- Wrightsville, PA: more internet coverage, slower speeds
- Catasauqua, PA: more internet coverage, slower speeds
- Castleton On Hudson, NY: more internet coverage, slower speeds
- Castaner, PR: more internet coverage, slower speeds
- Cassopolis, MI: more internet coverage, faster speeds
- Cashmere, WA: more internet coverage, slower speeds
- Caruthersville, MO: more internet coverage, slower speeds