In 91103 there are 9 residential internet providers covering 99.51% of the zip. The average home can get speeds up to 2,538 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.
Jump to Availability Maps
9 Internet Service Providers in 91103
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 91103 are not shown.
91103 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 91103
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 99.51% of 91103. 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 91103 with more confidence that they might be available.
How fast are internet speeds in 91103?
The map below shows maximum internet speeds by area in 91103.
Internet Speed Key
The average 91103 home can get up to 2,538 Mbps on their internet plan. For most people, the fastest download speed in the zip is 5,000 Mbps, which 38.30% 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 50 Mbps. See the internet provider details below for info about their speed and coverage in 91103.
Internet speeds tend to be faster in the north parts of 91103, and slower in the southwest areas of the zip.
What type of internet should I choose in 91103?
The fastest internet for you may vary based on where in 91103 you live. If speed is your main concern, fiber will be the fastest internet in the zip.
- Fiber is the fastest internet type for 50.19% of 91103 homes.
- Cable is fastest for 43.08% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 6.05%.
- Satellite internet may be the only option for less than 1% of 91103 homes.
Internet Market Health in 91103
Internet Competition Key
The map shows how competitive the 91103 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 91103 based on what connections the average home has availabile:
- Average number of internet service providers to a home: 7.6 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.5 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 7.3 (very healthy)
Overall, competition is very healthy.
91103 internet customers have the ability to buy internet service from 1 to 11 different providers, depending on where they live. For different types of service, 91103 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 zip.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. 91103 internet customers who want faster speeds have between 1 and 11 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, 91103 is doing quite well.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in 91103, along with details on where in 91103 and at what speeds.
Spectrum Cable in 91103, CA
Spectrum cable coverage
About 99.32%, or 26,226 people, have Spectrum cable internet available to them in the zip. The company covers the entire 91103 area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of 91103.
Spectrum cable download speeds
Spectrum is above average when comparing download speeds to all other internet providers in 91103. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout 91103. The fastest plan anyone in 91103 can order from Spectrum goes up to 1,000 Mbps, and all 91103 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In 91103 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 91103 cable providers. Spectrum offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 91103 is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
EarthLink DSL in 91103, CA
EarthLink DSL coverage
About 97.42%, or 25,723 people, have EarthLink DSL internet available to them in the zip. The company covers the entire 91103 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of 91103.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in 91103. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are 5 different maximum speeds throughout 91103. The fastest plan anyone in 91103 can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 91103 customers is up to 79 Mbps.
Show all download speeds
- 61.9% up to 100.0 Mbps
- 13.9% up to 75.0 Mbps
- 9.0% up to 50.0 Mbps
- 2.6% up to 25.0 Mbps
- 12.6% up to 10.0 Mbps
EarthLink DSL upload speeds
In 91103 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 91103 DSL providers. EarthLink offers 4 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 91103 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 16 Mbps.
Show all upload speeds
- 75.8% up to 20.0 Mbps
- 9.0% up to 10.0 Mbps
- 2.6% up to 5.0 Mbps
- 12.6% up to 1.0 Mbps
AT&T DSL in 91103, CA
AT&T DSL coverage
About 97.42%, or 25,723 people, have AT&T DSL internet available to them in the zip. The company covers the entire 91103 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of 91103.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in 91103. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are 5 different maximum speeds throughout 91103. The fastest plan anyone in 91103 can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 91103 customers is up to 79 Mbps.
Show all download speeds
- 61.9% up to 100.0 Mbps
- 13.9% up to 75.0 Mbps
- 9.0% up to 50.0 Mbps
- 2.6% up to 25.0 Mbps
- 12.6% up to 10.0 Mbps
AT&T DSL upload speeds
In 91103 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 91103 DSL providers. AT&T offers 4 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 91103 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 16 Mbps.
Show all upload speeds
- 75.8% up to 20.0 Mbps
- 9.0% up to 10.0 Mbps
- 2.6% up to 5.0 Mbps
- 12.6% up to 1.0 Mbps
EarthLink Fiber in 91103, CA
EarthLink fiber coverage
About 50.19%, or 13,253 people, have EarthLink fiber internet available to them in the zip. The company covers the southeast, north, northeast, central, east, south, west, and northwest 91103 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of 91103.
EarthLink fiber download speeds
EarthLink is one of the fastest when comparing download speeds to all other internet providers in 91103. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are 2 different maximum speeds throughout 91103. The fastest plan anyone in 91103 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 91103 customers is up to 4,053 Mbps.
Show all download speeds
- 76.3% up to 5,000.0 Mbps
- 23.7% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In 91103 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 91103 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 91103 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 4,053 Mbps.
Show all upload speeds
- 76.3% up to 5,000.0 Mbps
- 23.7% up to 1,000.0 Mbps
AT&T Fiber in 91103, CA
AT&T fiber coverage
About 50.19%, or 13,253 people, have AT&T fiber internet available to them in the zip. The company covers the southeast, north, northeast, central, east, south, west, and northwest 91103 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of 91103.
AT&T fiber download speeds
AT&T is one of the fastest when comparing download speeds to all other internet providers in 91103. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are 2 different maximum speeds throughout 91103. The fastest plan anyone in 91103 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 91103 customers is up to 4,053 Mbps.
Show all download speeds
- 76.3% up to 5,000.0 Mbps
- 23.7% up to 1,000.0 Mbps
AT&T fiber upload speeds
In 91103 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 91103 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 91103 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 4,053 Mbps.
Show all upload speeds
- 76.3% up to 5,000.0 Mbps
- 23.7% up to 1,000.0 Mbps
ConnectTo Communications DSL in 91103, CA
ConnectTo Communications DSL coverage
About 9.99%, or 2,638 people, have ConnectTo Communications DSL internet available to them in the zip. The company covers the southeast, east, northeast, and south 91103 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 91103.
ConnectTo Communications DSL download speeds
ConnectTo Communications is below average when comparing download speeds to all other internet providers in 91103. Versus other DSL providers in the area, ConnectTo Communications DSL is the fastest. There are no different maximum speeds throughout 91103. The fastest plan anyone in 91103 can order from ConnectTo Communications goes up to 120 Mbps, and all 91103 customers can get this speed.
Show all download speeds
- 100.0% up to 120.0 Mbps
ConnectTo Communications DSL upload speeds
In 91103 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 91103 DSL providers. ConnectTo Communications offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 91103 is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Spectrum Fiber in 91103, CA
Spectrum fiber coverage
About 1.73%, or 458 people, have Spectrum fiber internet available to them in the zip. The company covers the southeast 91103 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 91103.
Spectrum fiber download speeds
Spectrum is above average when comparing download speeds to all other internet providers in 91103. Versus other fiber providers in the area, Spectrum fiber is the slowest. There are no different maximum speeds throughout 91103. The fastest plan anyone in 91103 can order from Spectrum goes up to 1,000 Mbps, and all 91103 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In 91103 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 91103 fiber providers. Spectrum offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 91103 is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
T-Mobile Home Internet Fixed Wireless in 91103, CA
T-Mobile Home Internet fixed wireless coverage
About 97.95%, or 25,863 people, have T-Mobile Home Internet fixed wireless internet available to them in the zip. The company covers the entire 91103 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 91103.
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 91103. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout 91103. The fastest plan anyone in 91103 can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the zip-wide average maximum speed for 91103 customers is up to 61 Mbps.
Show all download speeds
- 48.3% up to 100.0 Mbps
- 51.7% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In 91103 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 91103 fixed wireless providers. T-Mobile Home Internet 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 91103 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
- 48.3% up to 20.0 Mbps
- 51.7% up to 3.0 Mbps
EarthLink Fixed Wireless in 91103, CA
EarthLink fixed wireless coverage
About 78.56%, or 20,743 people, have EarthLink fixed wireless internet available to them in the zip. The company covers the entire 91103 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of 91103.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in 91103. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout 91103. The fastest plan anyone in 91103 can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the zip-wide average maximum speed for 91103 customers is up to 37 Mbps.
Show all download speeds
- 16.5% up to 100.0 Mbps
- 83.5% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In 91103 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 91103 fixed wireless 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 91103 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 5.8 Mbps.
Show all upload speeds
- 16.5% up to 20.0 Mbps
- 83.5% up to 3.0 Mbps
AT&T Fixed Wireless in 91103, CA
AT&T fixed wireless coverage
About 78.56%, or 20,743 people, have AT&T fixed wireless internet available to them in the zip. The company covers the entire 91103 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of 91103.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in 91103. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout 91103. The fastest plan anyone in 91103 can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the zip-wide average maximum speed for 91103 customers is up to 37 Mbps.
Show all download speeds
- 16.5% up to 100.0 Mbps
- 83.5% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In 91103 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 91103 fixed wireless 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 91103 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 5.8 Mbps.
Show all upload speeds
- 16.5% up to 20.0 Mbps
- 83.5% up to 3.0 Mbps
Verizon Fixed Wireless in 91103, CA
Verizon fixed wireless coverage
About 76.51%, or 20,203 people, have Verizon fixed wireless internet available to them in the zip. The company covers the entire 91103 area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in much of 91103.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in 91103. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are 2 different maximum speeds throughout 91103. The fastest plan anyone in 91103 can order from Verizon goes up to 1,000 Mbps, the slowest package only goes up to 300 Mbps, and the zip-wide average maximum speed for 91103 customers is up to 432 Mbps.
Show all download speeds
- 18.9% up to 1,000.0 Mbps
- 81.1% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In 91103 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 average compared to other 91103 fixed wireless providers. Verizon 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 91103 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 30 Mbps.
Show all upload speeds
- 18.9% up to 75.0 Mbps
- 81.1% up to 20.0 Mbps
Starry Fixed Wireless in 91103, CA
Starry fixed wireless coverage
About 17.19%, or 4,539 people, have Starry fixed wireless internet available to them in the zip. The company covers the southeast, east, south, and southwest 91103 area. Starry is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of 91103.
Starry fixed wireless download speeds
Starry is below average when comparing download speeds to all other internet providers in 91103. Versus other fixed wireless providers in the area, Starry fixed wireless is above average. There are no different maximum speeds throughout 91103. The fastest plan anyone in 91103 can order from Starry goes up to 300 Mbps, and all 91103 customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Starry fixed wireless upload speeds
In 91103 download speeds tend to be faster than than upload speeds for Starry fixed wireless. Compared to other ISPs, Starry is below average where upload speeds are concerned, and the fastest compared to other 91103 fixed wireless providers. Starry offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 91103 is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
91103 Internet by Area
This information is most helpful to those looking for homes or considering moving to 91103 or any of the areas nearby.
How does internet in 91103 compare to the rest of California?
Internet speeds in 91103 are slower versus the average speeds in California: 3,631 Mbps in California versus 2,538 Mbps in the zip. The state has similar internet availability compared to the zip. Average internet coverage in California is 98.73% versus 99.51% in 91103.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around 91103 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 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
- 91101, CA: more internet coverage, slower speeds
- 91104, CA: more internet coverage, faster speeds
- 91001, CA: more internet coverage, faster speeds
- 91105, CA: more internet coverage, slower speeds
- 91106, CA: less internet coverage, slower speeds
- 91125, CA: less internet coverage, slower speeds
- 90041, CA: less internet coverage, faster speeds
- 91030, CA: more internet coverage, slower speeds
- 91011, CA: more internet coverage, slower speeds
- 91107, CA: more internet coverage, faster speeds
Zip Codes with Similar Populations
- 23703, VA: less internet coverage, slower speeds
- 28144, NC: more internet coverage, faster speeds
- 68137, NE: more internet coverage, slower speeds
- 77071, TX: more internet coverage, faster speeds
- 76132, TX: less internet coverage, faster speeds
- 75180, TX: more internet coverage, faster speeds
- 75022, TX: more internet coverage, faster speeds
- 73069, OK: more internet coverage, faster speeds
- 72501, AR: less internet coverage, slower speeds
- 68901, NE: less internet coverage, slower speeds