In Altadena there are 8 residential internet providers covering 99.92% of the city. The average home can get speeds up to 4,657 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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8 Internet Service Providers in Altadena
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 Altadena are not shown.
Altadena 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 Altadena
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.
Please note some providers will take longer to load than others
Internet service is available in 99.92% of Altadena. 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 AT&T. Now you can call companies in Altadena with more confidence that they might be available.
How fast are internet speeds in Altadena?
The map below shows maximum internet speeds by area in Altadena.
Internet Speed Key
The average Altadena home can get up to 4,657 Mbps on their internet plan. For most people, the fastest download speed in the city is 5,000 Mbps, which 91.36% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 8.56% 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 Altadena.
Internet speeds tend to be faster in the east parts of Altadena, and slower in the northwest areas of the city.
What type of internet should I choose in Altadena?
The fastest internet for you may vary based on where in Altadena you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 91.79% of Altadena homes.
- Cable is fastest for 7.61% 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 less than 1% of Altadena homes.
Internet Market Health in Altadena
Internet Competition Key
The map shows how competitive the Altadena 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 Altadena based on what connections the average home has availabile:
- Average number of internet service providers to a home: 7.9 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.7 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 7.7 (very healthy)
Overall, competition is very healthy.
Altadena internet customers have the ability to buy internet service from 3 to 10 different providers, depending on where they live. For different types of service, Altadena homes have between 2 and 4 options. The type(s) of service available are cable, fixed wireless, fiber, and dsl, 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. Altadena internet customers who want faster speeds have between 3 and 10 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, Altadena is doing quite well.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Altadena, along with details on where in Altadena and at what speeds.
Spectrum Cable in Altadena, CA
Spectrum cable coverage
About 99.92%, or 37,117 people, have Spectrum cable internet available to them in the city. The company covers the entire Altadena area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Altadena.
Spectrum cable download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Altadena. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout Altadena. The fastest plan anyone in Altadena can order from Spectrum goes up to 1,000 Mbps, and all Altadena customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Altadena 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 Altadena cable providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Altadena is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
EarthLink Fiber in Altadena, CA
EarthLink fiber coverage
About 91.36%, or 33,937 people, have EarthLink fiber internet available to them in the city. The company covers the entire Altadena area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Altadena.
EarthLink fiber download speeds
EarthLink is one of the fastest when comparing download speeds to all other internet providers in Altadena. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are no different maximum speeds throughout Altadena. The fastest plan anyone in Altadena can order from EarthLink goes up to 5,000 Mbps, and all Altadena customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
EarthLink fiber upload speeds
In Altadena 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 Altadena fiber providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Altadena is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
AT&T Fiber in Altadena, CA
AT&T fiber coverage
About 91.36%, or 33,937 people, have AT&T fiber internet available to them in the city. The company covers the entire Altadena area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Altadena.
AT&T fiber download speeds
AT&T is one of the fastest when comparing download speeds to all other internet providers in Altadena. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are no different maximum speeds throughout Altadena. The fastest plan anyone in Altadena can order from AT&T goes up to 5,000 Mbps, and all Altadena customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
AT&T fiber upload speeds
In Altadena 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 Altadena fiber providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Altadena is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
AT&T DSL in Altadena, CA
AT&T DSL coverage
About 80.90%, or 30,052 people, have AT&T DSL internet available to them in the city. The company covers the entire Altadena area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Altadena.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Altadena. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are 5 different maximum speeds throughout Altadena. The fastest plan anyone in Altadena can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Altadena customers is up to 67 Mbps.
Show all download speeds
- 44.3% up to 100.0 Mbps
- 9.2% up to 75.0 Mbps
- 24.3% up to 50.0 Mbps
- 12.8% up to 25.0 Mbps
- 9.5% up to 10.0 Mbps
AT&T DSL upload speeds
In Altadena download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the slowest compared to other Altadena DSL providers. AT&T offers 4 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 Altadena is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 14 Mbps.
Show all upload speeds
- 53.4% up to 20.0 Mbps
- 24.3% up to 10.0 Mbps
- 12.8% up to 5.0 Mbps
- 9.5% up to 1.0 Mbps
EarthLink DSL in Altadena, CA
EarthLink DSL coverage
About 80.90%, or 30,052 people, have EarthLink DSL internet available to them in the city. The company covers the entire Altadena area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Altadena.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Altadena. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are 5 different maximum speeds throughout Altadena. The fastest plan anyone in Altadena can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Altadena customers is up to 67 Mbps.
Show all download speeds
- 44.3% up to 100.0 Mbps
- 9.2% up to 75.0 Mbps
- 24.3% up to 50.0 Mbps
- 12.8% up to 25.0 Mbps
- 9.5% up to 10.0 Mbps
EarthLink DSL upload speeds
In Altadena download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other Altadena DSL providers. EarthLink offers 4 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 Altadena is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 14 Mbps.
Show all upload speeds
- 53.4% up to 20.0 Mbps
- 24.3% up to 10.0 Mbps
- 12.8% up to 5.0 Mbps
- 9.5% up to 1.0 Mbps
Spectrum Fiber in Altadena, CA
Spectrum fiber coverage
About 3.05%, or 1,133 people, have Spectrum fiber internet available to them in the city. The company covers the central, west, and north Altadena 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 Altadena.
Spectrum fiber download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Altadena. Versus other fiber providers in the area, Spectrum fiber is the slowest. There are no different maximum speeds throughout Altadena. The fastest plan anyone in Altadena can order from Spectrum goes up to 1,000 Mbps, and all Altadena customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Altadena 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 Altadena fiber providers. Spectrum 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 Altadena is up to 500 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Spectrum customers can get speeds up to 357 Mbps.
Show all upload speeds
- 69.3% up to 500.0 Mbps
- 30.7% up to 35.0 Mbps
ConnectTo Communications DSL in Altadena, CA
ConnectTo Communications DSL coverage
About 1.59%, or 589 people, have ConnectTo Communications DSL internet available to them in the city. The company covers the southeast and south Altadena area. ConnectTo Communications is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Altadena.
ConnectTo Communications DSL download speeds
ConnectTo Communications is below average when comparing download speeds to all other internet providers in Altadena. Versus other DSL providers in the area, ConnectTo Communications DSL is the fastest. There are no different maximum speeds throughout Altadena. The fastest plan anyone in Altadena can order from ConnectTo Communications goes up to 120 Mbps, and all Altadena customers can get this speed.
Show all download speeds
- 100.0% up to 120.0 Mbps
ConnectTo Communications DSL upload speeds
In Altadena download speeds tend to be faster than than upload speeds for ConnectTo Communications DSL. Compared to other ISPs, ConnectTo Communications is below average where upload speeds are concerned, and the fastest compared to other Altadena DSL providers. ConnectTo Communications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Altadena is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
T-Mobile Home Internet Fixed Wireless in Altadena, CA
T-Mobile Home Internet fixed wireless coverage
About 98.06%, or 36,426 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Altadena area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of Altadena.
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 Altadena. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Altadena. The fastest plan anyone in Altadena 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 Altadena customers is up to 70 Mbps.
Show all download speeds
- 60.0% up to 100.0 Mbps
- 40.0% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Altadena 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 average compared to other Altadena 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 Altadena 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 13 Mbps.
Show all upload speeds
- 60.0% up to 20.0 Mbps
- 40.0% up to 3.0 Mbps
EarthLink Fixed Wireless in Altadena, CA
EarthLink fixed wireless coverage
About 85.38%, or 31,713 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire Altadena area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Altadena.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Altadena. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Altadena. The fastest plan anyone in Altadena 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 Altadena customers is up to 47 Mbps.
Show all download speeds
- 29.4% up to 100.0 Mbps
- 70.6% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Altadena download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Altadena 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 Altadena 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 8.0 Mbps.
Show all upload speeds
- 29.4% up to 20.0 Mbps
- 70.6% up to 3.0 Mbps
AT&T Fixed Wireless in Altadena, CA
AT&T fixed wireless coverage
About 85.38%, or 31,713 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire Altadena area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Altadena.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Altadena. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Altadena. The fastest plan anyone in Altadena 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 Altadena customers is up to 47 Mbps.
Show all download speeds
- 29.4% up to 100.0 Mbps
- 70.6% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Altadena download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Altadena 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 Altadena 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 8.0 Mbps.
Show all upload speeds
- 29.4% up to 20.0 Mbps
- 70.6% up to 3.0 Mbps
Verizon Fixed Wireless in Altadena, CA
Verizon fixed wireless coverage
About 68.21%, or 25,336 people, have Verizon fixed wireless internet available to them in the city. The company covers the entire Altadena area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in much of Altadena.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Altadena. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are 2 different maximum speeds throughout Altadena. The fastest plan anyone in Altadena can order from Verizon goes up to 1,000 Mbps, the slowest package only goes up to 300 Mbps, and the city-wide average maximum speed for Altadena customers is up to 311 Mbps.
Show all download speeds
- 1.6% up to 1,000.0 Mbps
- 98.4% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Altadena 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 the fastest compared to other Altadena fixed wireless providers. Verizon 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 Altadena is up to 75 Mbps. Some customers have slower plan choices, which only go up to 20 Mbps. On average, Verizon customers can get speeds up to 21 Mbps.
Show all upload speeds
- 1.6% up to 75.0 Mbps
- 98.4% up to 20.0 Mbps
Altadena Internet by Area
This information is most helpful to those looking for homes or considering moving to Altadena or any of the areas nearby.
How does internet in Altadena compare to the rest of California?
Internet speeds in Altadena are faster versus the average speeds in California: 3,631 Mbps in California versus 4,657 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in California is 98.73% versus 99.92% in Altadena.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Altadena 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
- Pasadena, CA: less internet coverage, slower speeds
- Kinneloa Mesa, CA: more internet coverage, slower speeds
- La Canada Flintridge, CA: less internet coverage, slower speeds
- San Marino, CA: less internet coverage, slower speeds
- East Pasadena, CA: less internet coverage, slower speeds
- Sierra Madre, CA: more internet coverage, faster speeds
- Montrose, CA: less internet coverage, slower speeds
- South Pasadena, CA: less internet coverage, slower speeds
- La Crescenta-Montrose, CA: less internet coverage, slower speeds
- Glendale, CA: less internet coverage, slower speeds
Cities with Similar Populations
- Arnold, MO: more internet coverage, slower speeds
- Okeechobee, FL: less internet coverage, slower speeds
- Sewell, NJ: more internet coverage, slower speeds
- Newburgh, IN: less internet coverage, slower speeds
- Natick, MA: less internet coverage, slower speeds
- Manhattan Beach, CA: less internet coverage, faster speeds
- Lewiston, ME: less internet coverage, slower speeds
- Carlsbad, NM: less internet coverage, slower speeds
- Bristol, TN: less internet coverage, slower speeds
- Southampton, PA: more internet coverage, slower speeds