In Crestmore Heights there are 2 residential Fiber providers covering 74.75% of the city. The average home can get speeds up to 5,000 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 Fiber internet providers in Crestmore Heights, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Crestmore Heights, CA please click below.
Crestmore Heights, CA Availability Maps
Fiber Internet Service Providers in Crestmore Heights
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 Crestmore Heights are not shown.
Crestmore Heights 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 Crestmore Heights is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 74.75% of Crestmore Heights. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is AT&T. Call one of the companies with service in Crestmore Heights above to see who has service at your home.
How fast is fiber internet in Crestmore Heights?
The map below shows maximum fiber internet speeds by area in Crestmore Heights.
Fiber Internet Speed Key
The average Crestmore Heights home can get up to 5,000 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 5,000 Mbps, which 74.75% of residents can get.
Is fiber the fastest internet I can get in Crestmore Heights?
The fastest internet for you may vary based on where in Crestmore Heights you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 74.75% of Crestmore Heights homes.
- Cable is fastest for 25.25% 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 Crestmore Heights homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Crestmore Heights, along with details on where in Crestmore Heights and at what speeds.
EarthLink Fiber in Crestmore Heights, CA
EarthLink fiber coverage
About 74.75%, or 666 people, have EarthLink fiber internet available to them in the city. The company covers the entire Crestmore Heights area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Crestmore Heights.
EarthLink fiber download speeds
EarthLink is one of the fastest when comparing download speeds to all other internet providers in Crestmore Heights. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are no different maximum speeds throughout Crestmore Heights. The fastest plan anyone in Crestmore Heights can order from EarthLink goes up to 5,000 Mbps, and all Crestmore Heights customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
EarthLink fiber upload speeds
In Crestmore Heights 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 Crestmore Heights fiber providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Crestmore Heights 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 Crestmore Heights, CA
AT&T fiber coverage
About 74.75%, or 666 people, have AT&T fiber internet available to them in the city. The company covers the entire Crestmore Heights area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Crestmore Heights.
AT&T fiber download speeds
AT&T is one of the fastest when comparing download speeds to all other internet providers in Crestmore Heights. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are no different maximum speeds throughout Crestmore Heights. The fastest plan anyone in Crestmore Heights can order from AT&T goes up to 5,000 Mbps, and all Crestmore Heights customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
AT&T fiber upload speeds
In Crestmore Heights 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 Crestmore Heights fiber providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Crestmore Heights is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
Crestmore Heights Fiber by Area
This information is most helpful to those looking for homes or considering moving to Crestmore Heights or any of the areas nearby.
How does fiber internet in Crestmore Heights compare to the rest of California?
Fiber internet speeds in Crestmore Heights are much faster versus the average speeds in California: 0.00 Mbps in California versus 5,000 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in California is 0.00% versus 74.75% in Crestmore Heights.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Crestmore Heights are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber 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
- Rubidoux, CA: less fiber coverage, slower speeds
- Bloomington, CA: less fiber coverage, slower speeds
- Glen Avon, CA: less fiber coverage, faster speeds
- Pedley, CA: less fiber coverage, slower speeds
- Grand Terrace, CA: less fiber coverage, slower speeds
- Colton, CA: less fiber coverage, faster speeds
- Riverside, CA: less fiber coverage, faster speeds
- Fontana, CA: less fiber coverage, slower speeds
- Rialto, CA: less fiber coverage, slower speeds
- Mira Loma, CA: less fiber coverage, slower speeds
Cities with Similar Populations
- Keystone, IA: more fiber coverage, slower speeds
- Irvington, WI: more fiber coverage, slower speeds
- Toledo, GA: less fiber coverage, slower speeds
- Titonka, IA: more fiber coverage, slower speeds
- Jericho, NC: more fiber coverage, slower speeds
- Johns, MS: less fiber coverage, similar speeds
- Johnson Corner, GA: more fiber coverage, slower speeds
- Throckmorton, TX: more fiber coverage, slower speeds
- Kelso, MO: less fiber coverage, slower speeds
- Ila, GA: less fiber coverage, slower speeds