In Core there are 3 residential Fiber providers covering 82.80% of the neighborhood. The average home can get speeds up to 2,836 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 Core, San Diego, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Core, San Diego, CA please click below.
Core, San Diego, CA Availability Maps
Fiber Internet Service Providers in Core
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 Core are not shown.
Core 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 Core is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 82.80% of Core. 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 Core above to see who has service at your home.
How fast is fiber internet in Core?
The map below shows maximum fiber internet speeds by area in Core.
Fiber Internet Speed Key
The average Core home can get up to 2,836 Mbps on their fiber internet plan. The fastest fiber download speed in the neighborhood is 5,000 Mbps, which 37.40% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 42.95% 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 Core.
Fiber internet speeds tend to be faster in the northeast parts of Core, and slower in the southwest areas of the neighborhood.
Is fiber the fastest internet I can get in Core?
The fastest internet for you may vary based on where in Core you live. In general, cable competes most often with fiber in the neighborhood.
- Fiber is the fastest internet type for 50.79% of Core homes.
- Cable is fastest for 42.10% of the neighborhood.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 3.79%.
- Satellite internet may be the only option for 3.00% of Core homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Core, along with details on where in Core and at what speeds.
EarthLink Fiber in Core, San Diego, CA
EarthLink fiber coverage
About 63.12%, or 4,066 people, have EarthLink fiber internet available to them in the neighborhood. The company covers the north, southeast, northeast, east, south, west, central, and northwest Core area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Core.
EarthLink fiber download speeds
EarthLink is one of the fastest when comparing download speeds to all other internet providers in Core. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are 2 different maximum speeds throughout Core. The fastest plan anyone in Core can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the neighborhood-wide average maximum speed for Core customers is up to 3,370 Mbps.
Show all download speeds
- 59.2% up to 5,000.0 Mbps
- 40.8% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In Core 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 Core fiber providers. EarthLink offers 2 different upload speeds across the neighborhood, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Core 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 3,370 Mbps.
Show all upload speeds
- 59.2% up to 5,000.0 Mbps
- 40.8% up to 1,000.0 Mbps
AT&T Fiber in Core, San Diego, CA
AT&T fiber coverage
About 63.12%, or 4,066 people, have AT&T fiber internet available to them in the neighborhood. The company covers the north, southeast, northeast, east, south, west, central, and northwest Core 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 Core.
AT&T fiber download speeds
AT&T is one of the fastest when comparing download speeds to all other internet providers in Core. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are 2 different maximum speeds throughout Core. The fastest plan anyone in Core can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the neighborhood-wide average maximum speed for Core customers is up to 3,370 Mbps.
Show all download speeds
- 59.2% up to 5,000.0 Mbps
- 40.8% up to 1,000.0 Mbps
AT&T fiber upload speeds
In Core 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 Core fiber providers. AT&T offers 2 different upload speeds across the neighborhood, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Core 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 3,370 Mbps.
Show all upload speeds
- 59.2% up to 5,000.0 Mbps
- 40.8% up to 1,000.0 Mbps
Cox Communications Fiber in Core, San Diego, CA
Cox fiber coverage
About 30.81%, or 1,985 people, have Cox fiber internet available to them in the neighborhood. The company covers the southeast, south, southwest, west, northwest, and central Core area. Cox is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Core.
Cox Communications fiber download speeds
Cox is average when comparing download speeds to all other internet providers in Core. Versus other fiber providers in the area, Cox fiber is the slowest. There are 2 different maximum speeds throughout Core. The fastest plan anyone in Core can order from Cox goes up to 2,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the neighborhood-wide average maximum speed for Core customers is up to 1,080 Mbps.
Show all download speeds
- 8.0% up to 2,000.0 Mbps
- 92.0% up to 1,000.0 Mbps
Cox Communications fiber upload speeds
In Core download speeds tend to be faster than than upload speeds for Cox fiber. Compared to other ISPs, Cox is below average where upload speeds are concerned, and the slowest compared to other Core fiber providers. Cox offers no different upload speeds across the neighborhood. The fastest upload speed available to anyone from this ISP in Core is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
Core Fiber by Area
This information is most helpful to those looking for homes or considering moving to Core or any of the areas nearby.
How does fiber internet in Core compare to the rest of San Diego?
Fiber internet speeds in Core are much faster versus the average speeds in San Diego: 0.00 Mbps in San Diego versus 2,836 Mbps in the neighborhood. The city has similar fiber availability compared to the neighborhood. Average fiber coverage in San Diego is 0.00% versus 82.80% in Core.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Core 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 neighborhoods?
Below are neighborhoods nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Neighborhoods
- East Village, San Diego, CA: less fiber coverage, faster speeds
- Cortez Hill, San Diego, CA: less fiber coverage, slower speeds
- Marina, San Diego, CA: less fiber coverage, faster speeds
- Columbia San Diego, San Diego, CA: less fiber coverage, slower speeds
- Little Italy, San Diego, CA: less fiber coverage, slower speeds
- Sherman Heights, San Diego, CA: less fiber coverage, faster speeds
- Park West, San Diego, CA: more fiber coverage, faster speeds
- Balboa Park, San Diego, CA: less fiber coverage, faster speeds
- Grant Hill, San Diego, CA: more fiber coverage, faster speeds
- Middletown, San Diego, CA: more fiber coverage, faster speeds
Neighborhoods with Similar Populations
- Arlington Ridge, Arlington, VA: more fiber coverage, slower speeds
- Bonneville, Orem, UT: more fiber coverage, faster speeds
- Timberwood Park, San Antonio, TX: more fiber coverage, faster speeds
- North Orange, Orlando, FL: more fiber coverage, faster speeds
- Girvin, Jacksonville, FL: less fiber coverage, faster speeds
- Nobility Hill Historic District, Stoneham, MA: more fiber coverage, slower speeds
- New River Estates, Sunrise, FL: less fiber coverage, faster speeds
- Midtown, Milwaukee, WI: less fiber coverage, faster speeds
- Midtown District, San Diego, CA: less fiber coverage, faster speeds
- Meadowlane, Lincoln, NE: more fiber coverage, slower speeds