In Sierra Madre there are 3 residential DSL providers covering 46.60% of the city. The average home can get speeds up to 26 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 DSL internet providers in Sierra Madre, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Sierra Madre, CA please click below.
Sierra Madre, CA Availability Maps
DSL Internet Service Providers in Sierra Madre
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 Sierra Madre are not shown.
Sierra Madre 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 Sierra Madre is DSL internet available?
DSL Internet Availability Key
DSL is available in 46.60% of Sierra Madre. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Frontier. Call one of the companies with service in Sierra Madre above to see who has service at your home.
How fast is DSL internet in Sierra Madre?
The map below shows maximum DSL internet speeds by area in Sierra Madre.
DSL Internet Speed Key
The average Sierra Madre home can get up to 26 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 90 Mbps, which 4.83% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 32.62% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Sierra Madre.
DSL internet speeds tend to be faster in the northwest parts of Sierra Madre, and slower in the southwest areas of the city.
Is DSL the fastest internet I can get in Sierra Madre?
The fastest internet for you may vary based on where in Sierra Madre you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 98.76% of Sierra Madre homes.
- Cable is fastest for less than 1% 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 Sierra Madre homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Sierra Madre, along with details on where in Sierra Madre and at what speeds.
Frontier Communications DSL in Sierra Madre, CA
Frontier DSL coverage
About 41.65%, or 4,696 people, have Frontier DSL internet available to them in the city. The company covers the south, southwest, central, west, north, and southeast Sierra Madre area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in some of Sierra Madre.
Frontier Communications DSL download speeds
Frontier is the slowest when comparing download speeds to all other internet providers in Sierra Madre. Versus other DSL providers in the area, Frontier DSL is the slowest. There are 5 different maximum speeds throughout Sierra Madre. The fastest plan anyone in Sierra Madre can order from Frontier goes up to 90 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Sierra Madre customers is up to 23 Mbps.
Show all download speeds
- 11.6% up to 90.0 Mbps
- 3.7% up to 70.0 Mbps
- 3.9% up to 45.0 Mbps
- 2.6% up to 25.0 Mbps
- 78.3% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Sierra Madre download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is the slowest where upload speeds are concerned, and the slowest compared to other Sierra Madre DSL providers. Frontier offers 3 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 Sierra Madre is up to 5.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 1.7 Mbps.
Show all upload speeds
- 11.6% up to 5.0 Mbps
- 10.1% up to 3.0 Mbps
- 78.3% up to 1.0 Mbps
AT&T DSL in Sierra Madre, CA
AT&T DSL coverage
About 5.84%, or 658 people, have AT&T DSL internet available to them in the city. The company covers the northwest, south, and central Sierra Madre area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Sierra Madre.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Sierra Madre. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 2 different maximum speeds throughout Sierra Madre. The fastest plan anyone in Sierra Madre can order from AT&T goes up to 50 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Sierra Madre customers is up to 44 Mbps.
Show all download speeds
- 84.8% up to 50.0 Mbps
- 15.2% up to 10.0 Mbps
AT&T DSL upload speeds
In Sierra Madre 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 fastest compared to other Sierra Madre DSL 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 Sierra Madre is up to 10 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 8.6 Mbps.
Show all upload speeds
- 84.8% up to 10.0 Mbps
- 15.2% up to 1.0 Mbps
EarthLink DSL in Sierra Madre, CA
EarthLink DSL coverage
About 5.84%, or 658 people, have EarthLink DSL internet available to them in the city. The company covers the northwest, south, and central Sierra Madre area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Sierra Madre.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Sierra Madre. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 2 different maximum speeds throughout Sierra Madre. The fastest plan anyone in Sierra Madre can order from EarthLink goes up to 50 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Sierra Madre customers is up to 44 Mbps.
Show all download speeds
- 84.8% up to 50.0 Mbps
- 15.2% up to 10.0 Mbps
EarthLink DSL upload speeds
In Sierra Madre 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 fastest compared to other Sierra Madre DSL 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 Sierra Madre is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 8.6 Mbps.
Show all upload speeds
- 84.8% up to 10.0 Mbps
- 15.2% up to 1.0 Mbps
Sierra Madre DSL by Area
This information is most helpful to those looking for homes or considering moving to Sierra Madre or any of the areas nearby.
How does DSL internet in Sierra Madre compare to the rest of California?
DSL internet speeds in Sierra Madre are much faster versus the average speeds in California: 0.00 Mbps in California versus 26 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in California is 0.00% versus 46.60% in Sierra Madre.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Sierra Madre are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does DSL 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
- East Pasadena, CA: more DSL coverage, faster speeds
- Kinneloa Mesa, CA: more DSL coverage, faster speeds
- Arcadia, CA: more DSL coverage, faster speeds
- Monrovia, CA: less DSL coverage, faster speeds
- Temple City, CA: more DSL coverage, faster speeds
- Pasadena, CA: more DSL coverage, faster speeds
- San Marino, CA: more DSL coverage, faster speeds
- Bradbury, CA: less DSL coverage, slower speeds
- San Gabriel, CA: more DSL coverage, faster speeds
- Duarte, CA: less DSL coverage, slower speeds
Cities with Similar Populations
- Fort Madison, IA: more DSL coverage, faster speeds
- Steger, IL: more DSL coverage, faster speeds
- Glendale, WI: more DSL coverage, faster speeds
- Freeland, MI: more DSL coverage, slower speeds
- Fort Sill, OK: less DSL coverage, faster speeds
- Fort Scott, KS: less DSL coverage, slower speeds
- Fort Oglethorpe, GA: more DSL coverage, faster speeds
- Stilwell, KS: more DSL coverage, faster speeds
- Fort Bliss, TX: less DSL coverage, slower speeds
- Forestdale, AL: more DSL coverage, faster speeds