In Contra Costa County there are 11 residential internet providers covering 99.78% of the county. The average home can get speeds up to 4,429 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
11 Internet Service Providers in Contra Costa County
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 Contra Costa County are not shown.
Contra Costa County 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 Contra Costa County
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 99.78% of Contra Costa County. 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 Contra Costa County with more confidence that they might be available.
How fast are internet speeds in Contra Costa County?
The map below shows maximum internet speeds by area in Contra Costa County.
Internet Speed Key
The average Contra Costa County home can get up to 4,429 Mbps on their internet plan. For most people, the fastest download speed in the county is 10,000 Mbps, which 18.89% 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 10 Mbps. See the internet provider details below for info about their speed and coverage in Contra Costa County.
Internet speeds tend to be faster in the west parts of Contra Costa County, and slower in the northeast areas of the county.
What type of internet should I choose in Contra Costa County?
The fastest internet for you may vary based on where in Contra Costa County you live. If speed is your main concern, fiber will be the fastest internet in the county.
- Fiber is the fastest internet type for 51.31% of Contra Costa County homes.
- Cable is fastest for 48.05% of the county.
- 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 Contra Costa County homes.
Internet Market Health in Contra Costa County
Internet Competition Key
The map shows how competitive the Contra Costa County 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 Contra Costa County based on what connections the average home has availabile:
- Average number of internet service providers to a home: 8.4 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.4 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 8.2 (very healthy)
Overall, competition is very healthy.
Contra Costa County internet customers have the ability to buy internet service from 1 to 14 different providers, depending on where they live. For different types of service, Contra Costa County homes have between 1 and 4 options. The type(s) of service available are fixed wireless, cable, dsl, and fiber, though these may vary depending on the region within the county.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Contra Costa County internet customers who want faster speeds have between 0 and 14 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, Contra Costa County is doing quite well.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Contra Costa County, along with details on where in Contra Costa County and at what speeds.
XFINITY from Comcast Cable in Contra Costa County, CA
XFINITY cable coverage
About 99.25%, or 1,157,176 people, have XFINITY cable internet available to them in the county. The company covers the entire Contra Costa County area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Contra Costa County.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Contra Costa County. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Contra Costa County. The fastest plan anyone in Contra Costa County can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the county-wide average maximum speed for Contra Costa County customers is up to 1,856 Mbps.
Show all download speeds
- 82.0% up to 2,000.0 Mbps
- 18.0% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Contra Costa County download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the fastest compared to other Contra Costa County cable providers. XFINITY offers 3 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Contra Costa County is up to 2,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 261 Mbps.
Show all upload speeds
- 2.8% up to 2,000.0 Mbps
- 79.2% up to 250.0 Mbps
- 18.0% up to 35.0 Mbps
AT&T DSL in Contra Costa County, CA
AT&T DSL coverage
About 83.50%, or 973,541 people, have AT&T DSL internet available to them in the county. The company covers the entire Contra Costa County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Contra Costa County.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Contra Costa County. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are 5 different maximum speeds throughout Contra Costa County. The fastest plan anyone in Contra Costa County can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Contra Costa County customers is up to 75 Mbps.
Show all download speeds
- 56.2% up to 100.0 Mbps
- 12.0% up to 75.0 Mbps
- 14.7% up to 50.0 Mbps
- 4.6% up to 25.0 Mbps
- 12.5% up to 10.0 Mbps
AT&T DSL upload speeds
In Contra Costa County 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 below average compared to other Contra Costa County DSL providers. AT&T offers 4 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Contra Costa County 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 15 Mbps.
Show all upload speeds
- 68.2% up to 20.0 Mbps
- 14.7% up to 10.0 Mbps
- 4.6% up to 5.0 Mbps
- 12.5% up to 1.0 Mbps
EarthLink DSL in Contra Costa County, CA
EarthLink DSL coverage
About 83.50%, or 973,541 people, have EarthLink DSL internet available to them in the county. The company covers the entire Contra Costa County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Contra Costa County.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Contra Costa County. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are 5 different maximum speeds throughout Contra Costa County. The fastest plan anyone in Contra Costa County can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Contra Costa County customers is up to 75 Mbps.
Show all download speeds
- 56.2% up to 100.0 Mbps
- 12.0% up to 75.0 Mbps
- 14.7% up to 50.0 Mbps
- 4.6% up to 25.0 Mbps
- 12.5% up to 10.0 Mbps
EarthLink DSL upload speeds
In Contra Costa County 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 below average compared to other Contra Costa County DSL providers. EarthLink offers 4 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Contra Costa County 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 15 Mbps.
Show all upload speeds
- 68.2% up to 20.0 Mbps
- 14.7% up to 10.0 Mbps
- 4.6% up to 5.0 Mbps
- 12.5% up to 1.0 Mbps
EarthLink Fiber in Contra Costa County, CA
EarthLink fiber coverage
About 50.49%, or 588,648 people, have EarthLink fiber internet available to them in the county. The company covers the entire Contra Costa County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Contra Costa County.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Contra Costa County. Versus other fiber providers in the area, EarthLink fiber is above average. There are 3 different maximum speeds throughout Contra Costa County. The fastest plan anyone in Contra Costa County can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 50 Mbps, and the county-wide average maximum speed for Contra Costa County customers is up to 4,653 Mbps.
Show all download speeds
- 91.3% up to 5,000.0 Mbps
- 8.6% up to 1,000.0 Mbps
- 0.1% up to 50.0 Mbps
EarthLink fiber upload speeds
In Contra Costa County download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and above average compared to other Contra Costa County fiber providers. EarthLink offers 3 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Contra Costa County is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 50 Mbps. On average, EarthLink customers can get speeds up to 4,653 Mbps.
Show all upload speeds
- 91.3% up to 5,000.0 Mbps
- 8.6% up to 1,000.0 Mbps
- 0.1% up to 50.0 Mbps
AT&T Fiber in Contra Costa County, CA
AT&T fiber coverage
About 50.49%, or 588,648 people, have AT&T fiber internet available to them in the county. The company covers the entire Contra Costa County 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 Contra Costa County.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in Contra Costa County. Versus other fiber providers in the area, AT&T fiber is above average. There are 3 different maximum speeds throughout Contra Costa County. The fastest plan anyone in Contra Costa County can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 50 Mbps, and the county-wide average maximum speed for Contra Costa County customers is up to 4,653 Mbps.
Show all download speeds
- 91.3% up to 5,000.0 Mbps
- 8.6% up to 1,000.0 Mbps
- 0.1% up to 50.0 Mbps
AT&T fiber upload speeds
In Contra Costa County download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and above average compared to other Contra Costa County fiber providers. AT&T offers 3 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Contra Costa County is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 50 Mbps. On average, AT&T customers can get speeds up to 4,653 Mbps.
Show all upload speeds
- 91.3% up to 5,000.0 Mbps
- 8.6% up to 1,000.0 Mbps
- 0.1% up to 50.0 Mbps
Sonic Fiber in Contra Costa County, CA
Sonic fiber coverage
About 23.31%, or 271,780 people, have Sonic fiber internet available to them in the county. The company covers the west, southwest, south, east, north, northwest, central, and southeast Contra Costa County area. Sonic is a large internet service provider internet service providers in the US, with internet service available in a small portion of Contra Costa County.
Sonic fiber download speeds
Sonic is the fastest when comparing download speeds to all other internet providers in Contra Costa County. Versus other fiber providers in the area, Sonic fiber is the fastest. There are 2 different maximum speeds throughout Contra Costa County. The fastest plan anyone in Contra Costa County can order from Sonic goes up to 10,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for Contra Costa County customers is up to 8,293 Mbps.
Show all download speeds
- 81.0% up to 10,000.0 Mbps
- 19.0% up to 1,000.0 Mbps
Sonic fiber upload speeds
In Contra Costa County download speeds tend to be equal to than upload speeds for Sonic fiber. Compared to other ISPs, Sonic is the fastest where upload speeds are concerned, and the fastest compared to other Contra Costa County fiber providers. Sonic offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Contra Costa County is up to 10,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, Sonic customers can get speeds up to 8,293 Mbps.
Show all upload speeds
- 81.0% up to 10,000.0 Mbps
- 19.0% up to 1,000.0 Mbps
Astound Broadband Cable in Contra Costa County, CA
Astound Broadband cable coverage
About 21.60%, or 251,833 people, have Astound Broadband cable internet available to them in the county. The company covers the central, south, north, northwest, and east Contra Costa County area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Contra Costa County.
Astound Broadband cable download speeds
Astound Broadband is above average when comparing download speeds to all other internet providers in Contra Costa County. Versus other cable providers in the area, Astound Broadband cable is the slowest. There are no different maximum speeds throughout Contra Costa County. The fastest plan anyone in Contra Costa County can order from Astound Broadband goes up to 1,500 Mbps, and all Contra Costa County customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
Astound Broadband cable upload speeds
In Contra Costa County download speeds tend to be faster than than upload speeds for Astound Broadband cable. Compared to other ISPs, Astound Broadband is below average where upload speeds are concerned, and the slowest compared to other Contra Costa County cable providers. Astound Broadband offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Contra Costa County is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Astound Broadband Fiber in Contra Costa County, CA
Astound Broadband fiber coverage
About 3.61%, or 42,093 people, have Astound Broadband fiber internet available to them in the county. The company covers the north, northwest, south, and central Contra Costa County area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Contra Costa County.
Astound Broadband fiber download speeds
Astound Broadband is above average when comparing download speeds to all other internet providers in Contra Costa County. Versus other fiber providers in the area, Astound Broadband fiber is the slowest. There are 2 different maximum speeds throughout Contra Costa County. The fastest plan anyone in Contra Costa County can order from Astound Broadband goes up to 5,000 Mbps, the slowest package only goes up to 1,500 Mbps, and the county-wide average maximum speed for Contra Costa County customers is up to 1,500 Mbps.
Show all download speeds
- 0.0% up to 5,000.0 Mbps
- 100.0% up to 1,500.0 Mbps
Astound Broadband fiber upload speeds
In Contra Costa County download speeds tend to be equal to than upload speeds for Astound Broadband fiber. Compared to other ISPs, Astound Broadband is above average where upload speeds are concerned, and below average compared to other Contra Costa County fiber providers. Astound Broadband offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Contra Costa County is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,500 Mbps. On average, Astound Broadband customers can get speeds up to 1,500 Mbps.
Show all upload speeds
- 0.0% up to 5,000.0 Mbps
- 100.0% up to 1,500.0 Mbps
Astound Broadband DSL in Contra Costa County, CA
Astound Broadband DSL coverage
About 2.08%, or 24,205 people, have Astound Broadband DSL internet available to them in the county. The company covers the central, south, and north Contra Costa County area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Contra Costa County.
Astound Broadband DSL download speeds
Astound Broadband is below average when comparing download speeds to all other internet providers in Contra Costa County. Versus other DSL providers in the area, Astound Broadband DSL is one of the fastest. There are no different maximum speeds throughout Contra Costa County. The fastest plan anyone in Contra Costa County can order from Astound Broadband goes up to 1,000 Mbps, and all Contra Costa County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Astound Broadband DSL upload speeds
In Contra Costa County download speeds tend to be faster than than upload speeds for Astound Broadband DSL. Compared to other ISPs, Astound Broadband is below average where upload speeds are concerned, and the slowest compared to other Contra Costa County DSL providers. Astound Broadband offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Contra Costa County is up to 10 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10.0 Mbps
T-Mobile Home Internet Fixed Wireless in Contra Costa County, CA
T-Mobile Home Internet fixed wireless coverage
About 91.84%, or 1,070,815 people, have T-Mobile Home Internet fixed wireless internet available to them in the county. The company covers the entire Contra Costa County 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 Contra Costa County.
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 Contra Costa County. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Contra Costa County. The fastest plan anyone in Contra Costa County can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Contra Costa County customers is up to 71 Mbps.
Show all download speeds
- 61.6% up to 100.0 Mbps
- 38.4% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Contra Costa County 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 Contra Costa County fixed wireless providers. T-Mobile Home Internet offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Contra Costa County 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
- 61.6% up to 20.0 Mbps
- 38.4% up to 3.0 Mbps
Unwired Fixed Wireless in Contra Costa County, CA
Unwired fixed wireless coverage
About 91.57%, or 1,067,637 people, have Unwired fixed wireless internet available to them in the county. The company covers the entire Contra Costa County area. Unwired is a large internet service provider internet service providers in the US, with internet service available in most of Contra Costa County.
Unwired fixed wireless download speeds
Unwired is below average when comparing download speeds to all other internet providers in Contra Costa County. Versus other fixed wireless providers in the area, Unwired fixed wireless is above average. There are no different maximum speeds throughout Contra Costa County. The fastest plan anyone in Contra Costa County can order from Unwired goes up to 300 Mbps, and all Contra Costa County customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Unwired fixed wireless upload speeds
In Contra Costa County download speeds tend to be faster than than upload speeds for Unwired fixed wireless. Compared to other ISPs, Unwired is below average where upload speeds are concerned, and below average compared to other Contra Costa County fixed wireless providers. Unwired offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Contra Costa County is up to 25 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 25.0 Mbps
Verizon Fixed Wireless in Contra Costa County, CA
Verizon fixed wireless coverage
About 74.46%, or 868,201 people, have Verizon fixed wireless internet available to them in the county. The company covers the entire Contra Costa County area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in much of Contra Costa County.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Contra Costa County. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are 2 different maximum speeds throughout Contra Costa County. The fastest plan anyone in Contra Costa County can order from Verizon goes up to 1,000 Mbps, the slowest package only goes up to 300 Mbps, and the county-wide average maximum speed for Contra Costa County customers is up to 304 Mbps.
Show all download speeds
- 0.6% up to 1,000.0 Mbps
- 99.4% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Contra Costa County 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 below average compared to other Contra Costa County fixed wireless providers. Verizon offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Contra Costa County 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 20 Mbps.
Show all upload speeds
- 0.6% up to 75.0 Mbps
- 99.4% up to 20.0 Mbps
EarthLink Fixed Wireless in Contra Costa County, CA
EarthLink fixed wireless coverage
About 67.23%, or 783,911 people, have EarthLink fixed wireless internet available to them in the county. The company covers the entire Contra Costa County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Contra Costa County.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Contra Costa County. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 3 different maximum speeds throughout Contra Costa County. The fastest plan anyone in Contra Costa County can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Contra Costa County customers is up to 43 Mbps.
Show all download speeds
- 24.6% up to 100.0 Mbps
- 75.4% up to 25.0 Mbps
- 0.0% up to 10.0 Mbps
EarthLink fixed wireless upload speeds
In Contra Costa County 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 Contra Costa County fixed wireless providers. EarthLink offers 3 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Contra Costa County 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 7.2 Mbps.
Show all upload speeds
- 24.6% up to 20.0 Mbps
- 75.4% up to 3.0 Mbps
- 0.0% up to 1.0 Mbps
AT&T Fixed Wireless in Contra Costa County, CA
AT&T fixed wireless coverage
About 67.23%, or 783,911 people, have AT&T fixed wireless internet available to them in the county. The company covers the entire Contra Costa County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Contra Costa County.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Contra Costa County. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 3 different maximum speeds throughout Contra Costa County. The fastest plan anyone in Contra Costa County can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Contra Costa County customers is up to 43 Mbps.
Show all download speeds
- 24.6% up to 100.0 Mbps
- 75.4% up to 25.0 Mbps
- 0.0% up to 10.0 Mbps
AT&T fixed wireless upload speeds
In Contra Costa County 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 Contra Costa County fixed wireless providers. AT&T offers 3 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Contra Costa County 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 7.2 Mbps.
Show all upload speeds
- 24.6% up to 20.0 Mbps
- 75.4% up to 3.0 Mbps
- 0.0% up to 1.0 Mbps
Etheric Networks Fixed Wireless in Contra Costa County, CA
Etheric Networks fixed wireless coverage
About 23.71%, or 276,453 people, have Etheric Networks fixed wireless internet available to them in the county. The company covers the south, southwest, southeast, west, and northwest Contra Costa County area. Etheric Networks is a large internet service provider internet service providers in the US, with internet service available in a small portion of Contra Costa County.
Etheric Networks fixed wireless download speeds
Etheric Networks is below average when comparing download speeds to all other internet providers in Contra Costa County. Versus other fixed wireless providers in the area, Etheric Networks fixed wireless is above average. There are no different maximum speeds throughout Contra Costa County. The fastest plan anyone in Contra Costa County can order from Etheric Networks goes up to 250 Mbps, and all Contra Costa County customers can get this speed.
Show all download speeds
- 100.0% up to 250.0 Mbps
Etheric Networks fixed wireless upload speeds
In Contra Costa County download speeds tend to be faster than than upload speeds for Etheric Networks fixed wireless. Compared to other ISPs, Etheric Networks is below average where upload speeds are concerned, and one of the fastest compared to other Contra Costa County fixed wireless providers. Etheric Networks offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Contra Costa County is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
Contra Costa County Internet by Area
This information is most helpful to those looking for homes or considering moving to Contra Costa County or any of the areas nearby.
How does internet in Contra Costa County compare to the rest of California?
Internet speeds in Contra Costa County are faster versus the average speeds in California: 3,631 Mbps in California versus 4,429 Mbps in the county. The state has similar internet availability compared to the county. Average internet coverage in California is 98.73% versus 99.78% in Contra Costa County.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Contra Costa County 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 counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Marin County, CA: less internet coverage, slower speeds
- San Joaquin County, CA: less internet coverage, slower speeds
- Tuolumne County, CA: less internet coverage, slower speeds
- San Miguel County, CO: less internet coverage, slower speeds
- San Juan County, CO: less internet coverage, slower speeds
- Hinsdale County, CO: less internet coverage, slower speeds
- Saguache County, CO: less internet coverage, slower speeds
- Otero County, CO: less internet coverage, slower speeds
- Bent County, CO: less internet coverage, slower speeds
- Prowers County, CO: less internet coverage, slower speeds
Counties with Similar Populations
- Santa Clara County, CA: less internet coverage, slower speeds
- Wayne County, MI: less internet coverage, slower speeds
- Honolulu County, HI: less internet coverage, slower speeds
- Travis County, TX: less internet coverage, faster speeds
- Suffolk County, NY: less internet coverage, faster speeds
- Palm Beach County, FL: less internet coverage, slower speeds
- Oakland County, MI: less internet coverage, slower speeds
- Philadelphia County, PA: less internet coverage, slower speeds
- Pima County, AZ: less internet coverage, slower speeds
- Broward County, FL: less internet coverage, slower speeds