Best Internet Providers in Costa Mesa, CA
All 10 providers, ranked by coverage, speed and customer ratings
Find internet availability by address in Costa Mesa, CA
Costa Mesa has 10 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, DSL, and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Costa Mesa.
Ranks compare Costa Mesa with the 305 US medium cities (100,000 to 249,999 people), the tiers of our fastest-cities rankings.
The Best Internet in Costa Mesa, CA at a Glance
Costa Mesa Internet Providers, Ranked by Coverage, Speed and Customer Ratings
Spectrum
Connection
Customer Rating
Fiber
Cable
EarthLink
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
AT&T
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
T-Mobile Home Internet
Connection
Customer Rating
Fixed Wireless
Providers with less than 1% coverage in this city are excluded from the list. To see if one of these providers is available at your home, please use the address search above.
Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local Costa Mesa ratings may vary and are shown below.
Who is the Best Internet Provider in Costa Mesa, CA?
T-Mobile Home Internet is the best internet provider in Costa Mesa based on California customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, T-Mobile Home Internet had the best reviews at the local, state, and national levels versus all available providers in Costa Mesa, making it a solid recommendation among providers with reviews. T-Mobile Home Internet is an option for 99.12% of the city.
Click here to get T-Mobile Home Internet
or call 1-833-601-2935
Which Providers are Available at my Home in Costa Mesa?
Coverage changes block by block. Pick a provider and a technology to see where its service reaches: the darker the area, the larger the share of homes it covers. For your exact address, use the address search above.
Coverage map for each provider in Costa Mesa
- AT&T - fiber coverage map
- EarthLink - fiber coverage map
- Spectrum - cable coverage map
- GeoLinks - fixed wireless coverage map
- Spectrum - fiber coverage map
- Verizon - fixed wireless coverage map
- Cosmo Network Solutions - fixed wireless coverage map
- AT&T - dsl coverage map
- EarthLink - dsl coverage map
- T-Mobile Home Internet - fixed wireless coverage map
- AT&T - fixed wireless coverage map
- EarthLink - fixed wireless coverage map
- Google Fiber - fiber coverage map
- Cox - fiber coverage map
- Smartaira - cable coverage map
How Costa Mesa Compares to Places Its Size
Costa Mesa's report card score is tied 112th of 305 and its connectivity index is tied 84th of 305.
| Measure | Costa Mesa | Rank among US medium cities (100,000 to 249,999 people) | Orange County | California | US | Leader |
|---|---|---|---|---|---|---|
| ISP Report Card inputs: what providers offer here | ||||||
| Fiber availability | 74.9% | 175th of 305 | 62.4% | 62.4% | 71.5% | Overland Park, KS (99.9%) |
| Average top speed | 3,471 Mbps | 185th of 305 | 3,495 Mbps | 3,834 Mbps | 3,486 Mbps | West Valley City, UT (9,708 Mbps) |
| Providers at a typical address | 9.3 | Tied 34th of 305 | 7.9 | 8 | 7.1 | Carolina, PR (12.6) |
| Connectivity index inputs: how much households need and use the internet | ||||||
| People per household | 2.7 | Tied 127th of 305 | 3.0 | 3.0 | 2.7 | Lakewood, NJ (5.1) |
| Workers who work from home | 23% | Tied 47th of 305 | 19% | 17% | 15% | Frisco, TX (38%) |
| Homes with a computer, tablet or phone | 98% | Tied 47th of 305 | 98% | 97% | 96% | 46 places at 99% |
| Homes with internet | 96% | Tied 32nd of 305 | 95% | 94% | 91% | Allen, TX and Cumming, GA and 8 more (98%) |
| Homes on fiber, cable or DSL | 80% | Tied 139th of 305 | 81% | 79% | 76% | Highlands Ranch, CO (92%) |
| More about the households here | ||||||
| Homes with a desktop or laptop | 90% | Tied 59th of 305 | 89% | 84% | 81% | Frisco, TX (96%) |
| Median household income | $118,676 | 58th of 305 | $129,477 | $111,728 | $93,246 | Sunnyvale, CA ($189,225) |
| Residents in school (6th grade to college) | 16% | Tied 146th of 305 | 18% | 17% | 16% | College Station, TX (57%) |
Fiber reaches 74.9% of homes in Costa Mesa, against 62.4% across Orange County and 62.4% across California. Households in Costa Mesa are the same size as the US average (2.7 people against 2.7); 23% of workers work from home (US 15%); and the median household income is $118,676 (US $93,246).
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Fiber, 5G, Cable and DSL Internet in Costa Mesa
Which Fiber Internet Providers are Available in Costa Mesa?
EarthLink Fiber in Costa Mesa, CA
Availability:
64.5%
Customer Rating:
(6)
Avg. Download Speed
4,823 Mbps
EarthLink offers Fiber service to 64.5% of Costa Mesa homes. Across the city, EarthLink Fiber has speeds up to 4,823 Mbps, with speeds from 1,000 Mpbs up to 5,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for EarthLink Fiber. EarthLink Fiber is rated about the same as other types of internet service available in Costa Mesa from EarthLink in terms of customer satisfaction.
AT&T Fiber in Costa Mesa, CA
Availability:
64.5%
Customer Rating:
(542)
Avg. Download Speed
4,823 Mbps
AT&T offers Fiber service to 64.5% of Costa Mesa homes. Across the city, AT&T Fiber has speeds up to 4,823 Mbps, with speeds from 1,000 Mpbs up to 5,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for AT&T Fiber. AT&T Fiber is rated lower than other types of internet service available in Costa Mesa from AT&T in terms of customer satisfaction.
Spectrum Fiber in Costa Mesa, CA
Availability:
31.7%
Customer Rating:
(207)
Avg. Download Speed
1,000 Mbps
Spectrum offers Fiber service to 31.7% of Costa Mesa homes. Across the city, Spectrum Fiber has speeds up to 1,000 Mbps
Cox Fiber in Costa Mesa, CA
Availability:
1.7%
Customer Rating:
(54)
Avg. Download Speed
1,000 Mbps
Cox Communications offers Fiber service to 1.7% of Costa Mesa homes. Across the city, Cox Fiber is the only type of service available from the company, with speeds up to 1,000 Mbps
Google Fiber in Costa Mesa, CA
Availability:
1.4%
Customer Rating:
(105)
Avg. Download Speed
2,000 Mbps
Google Fiber offers Fiber service to 1.4% of Costa Mesa homes. Across the city, Google Fiber is the only type of service available from the company, with speeds up to 2,000 Mbps
Which Fixed Wireless and LTE Internet Providers are Available in Costa Mesa?
T-Mobile Home Internet Fixed Wireless in Costa Mesa, CA
Availability:
99.1%
Customer Rating:
(342)
Avg. Download Speed
77 Mbps
T-Mobile Home Internet offers Fixed Wireless service to 99.1% of Costa Mesa homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 77 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 15 Mbps throughout the city.
Verizon Fixed Wireless in Costa Mesa, CA
Availability:
93.7%
Customer Rating:
(362)
Avg. Download Speed
263 Mbps
Verizon offers Fixed Wireless service to 93.7% of Costa Mesa homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 263 Mbps, with speeds from 25 Mpbs up to 300 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 6.0 and as high as 20, with an average of 18 Mbps throughout the city.
EarthLink Fixed Wireless in Costa Mesa, CA
Availability:
85.6%
Customer Rating:
(4)
Avg. Download Speed
50 Mbps
EarthLink offers Fixed Wireless service to 85.6% of Costa Mesa homes. Across the city, EarthLink Fixed Wireless has speeds up to 50 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 8.7 Mbps throughout the city.
AT&T Fixed Wireless in Costa Mesa, CA
Availability:
85.6%
Customer Rating:
(205)
Avg. Download Speed
50 Mbps
AT&T offers Fixed Wireless service to 85.6% of Costa Mesa homes. Across the city, AT&T Fixed Wireless has speeds up to 50 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 8.7 Mbps throughout the city.
Cosmo Network Solutions Fixed Wireless in Costa Mesa, CA
Availability:
57.0%
Customer Rating:
(0)
Avg. Download Speed
245 Mbps
Cosmo Network Solutions offers Fixed Wireless service to 57.0% of Costa Mesa homes. Across the city, Cosmo Network Solutions Fixed Wireless is the only type of service available from the company, with speeds up to 245 Mbps, with speeds from 50 Mpbs up to 350 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 25 and as high as 150, with an average of 98 Mbps throughout the city.
GeoLinks Fixed Wireless in Costa Mesa, CA
Availability:
55.0%
Customer Rating:
(0)
Avg. Download Speed
1,000 Mbps
GeoLinks offers Fixed Wireless service to 55.0% of Costa Mesa homes. Across the city, GeoLinks Fixed Wireless is the only type of service available from the company, with speeds up to 1,000 Mbps
Which Cable Internet Providers are Available in Costa Mesa?
Spectrum Cable in Costa Mesa, CA
Availability:
99.7%
Customer Rating:
(1739)
Avg. Download Speed
1,000 Mbps
Spectrum offers Cable service to 99.7% of Costa Mesa homes. Across the city, Spectrum Cable has speeds up to 1,000 Mbps
Smartaira Cable in Costa Mesa, CA
Availability:
2.5%
Customer Rating:
(4)
Avg. Download Speed
409 Mbps
Smartaira offers Cable service to 2.5% of Costa Mesa homes. Across the city, Smartaira Cable is the only type of service available from the company, with speeds up to 409 Mbps, with speeds from 300 Mpbs up to 500 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 30 and as high as 30, with an average of 30 Mbps throughout the city.
Which DSL Internet Providers are Available in Costa Mesa?
EarthLink DSL in Costa Mesa, CA
Availability:
91.8%
Customer Rating:
(5)
Avg. Download Speed
88 Mbps
EarthLink offers DSL service to 91.8% of Costa Mesa homes. Across the city, EarthLink DSL has speeds up to 88 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 20, with an average of 18 Mbps throughout the city. EarthLink DSL is rated higher than other types of internet service available in Costa Mesa from EarthLink in terms of customer satisfaction.
AT&T DSL in Costa Mesa, CA
Availability:
91.8%
Customer Rating:
(304)
Avg. Download Speed
88 Mbps
AT&T offers DSL service to 91.8% of Costa Mesa homes. Across the city, AT&T DSL has speeds up to 88 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 20, with an average of 18 Mbps throughout the city. AT&T DSL is rated about the same as other types of internet service available in Costa Mesa from AT&T in terms of customer satisfaction.
Internet in Costa Mesa by Neighborhood and ZIP Code
Costa Mesa has 2 ZIP codes with their own pages. Each row links to that place’s page.
Neighborhoods in Costa Mesa
| Neighborhood | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
ZIP codes in Costa Mesa
How Costa Mesa Compares to Nearby Places
The 10 places nearest to Costa Mesa that have their own pages are all within 8 miles. Among them, Midway City has the most homes with fiber (96.5%) and Newport Coast the fewest (39.3%); Costa Mesa has 74.9%.
| Place | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| Costa Mesa (this page) | 113,576 | 74.9% | 3,471 Mbps | 9.3 | B+ | 81/100 |
| Irvine | 304,045 | 59.8% | 2,882 Mbps | 7.4 | B | 89/100 |
| Santa Ana | 303,640 | 72.7% | 3,455 Mbps | 8.3 | B+ | 73/100 |
| Huntington Beach | 195,160 | 86.2% | 6,086 Mbps | 6.9 | B+ | 83/100 |
| Westminster | 92,281 | 86.6% | 5,912 Mbps | 7.6 | B+ | 79/100 |
| Tustin | 90,398 | 75.1% | 3,693 Mbps | 8.3 | B+ | 88/100 |
| Newport Beach | 60,349 | 71.3% | 3,551 Mbps | 7.8 | B | 78/100 |
| Fountain Valley | 59,737 | 47.6% | 3,172 Mbps | 6.9 | B- | 85/100 |
| Corona Del Mar | 13,435 | 67.9% | 3,441 Mbps | 6.9 | B | 71/100 |
| Midway City | 12,622 | 96.5% | 6,662 Mbps | 7.7 | A- | 75/100 |
| Newport Coast | 10,970 | 39.3% | 2,260 Mbps | 5.2 | C+ | 95/100 |
Who is the Fastest Internet Provider in Costa Mesa?
According to unbiased feedback from real internet customers, they reported being happiest with speeds provided by T-Mobile Home Internet. On the other hand, based on data provided by the internet providers to the FCC, AT&T and EarthLink should have faster speeds at a local level. While we typically put more weight on real-world customer ratings, we display both satisfaction and technical maximum information for customers to decide for themselves.
Data Reported to FCC by ISPs: Average Maximum Available in Costa Mesa
| AT&T | 5,000 |
|---|---|
| EarthLink | 5,000 |
| Google Fiber | 2,000 |
| Spectrum | 1,000 |
| GeoLinks | 1,000 |
| Cox Communications | 1,000 |
| Smartaira | 500 |
| Cosmo Network Solutions | 350 |
| Verizon | 300 |
| Viasat | 100 |
| T-Mobile Home Internet | 100 |
| HughesNet | 25 |
How fast is your internet?
Test your connection here and see it next to the speeds providers advertise in Costa Mesa. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.
Customer Ratings for Costa Mesa Internet Providers
Based on 473 reviews from California internet customers, T-Mobile Home Internet is the best internet service provider for Costa Mesa residents. T-Mobile Home Internet was rated at an average of 4.11 out of 5 in our report for overall customer satisfaction. Verizon wins for second-place in California, with 3.61 out of 5 stars and 93.7% coverage in Costa Mesa.
At a national level, based on 4738 national reviews for any of the providers listed above, T-Mobile Home Internet is rated higher than any other provider, with a rating of 4.02 out of 5.
Local, State, and National Ratings for all Costa Mesa Internet Providers
The table below shows average customer ratings from customers in Costa Mesa, California, and customers throughout the country.
| ISP / Tech Type | Costa Mesa Overall | California Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (27) | (342) | View Plans | ||
| GFiber | (0) | (11) | (105) | View Plans | ||
| Verizon | (0) | (28) | (816) | View Plans | ||
| HughesNet | (0) | (1) | (25) | View Plans | ||
| Viasat | (0) | (1) |  (12) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| AT&T |  (1) | (119) | (1051) | View Plans | ||
| Spectrum | (0) | (228) | (1949) | View Plans | ||
| Cox | (0) | (55) | (453) | View Plans | ||
| Smartaira | (0) | (3) | (7) | View Plans | ||
| Cosmo Network Solutions | (0) | (0) | (0) | View Plans | ||
| GeoLinks | (0) | (0) | (0) | View Plans |
Customer Ratings for Internet Provider Speeds in Costa Mesa
Based on data reported by Costa Mesa ISPs to the FCC, the fastest speeds in the city are available through AT&T and EarthLink. These internet providers offer speeds up to 5,000 Mbps in Costa Mesa. Therefore, the average customer can get up to 3,155 Mbps if they’re willing to purchase the fastest subscription tier available at their homes.
However, actual customers rated their satisfaction with internet speed highest with T-Mobile Home Internet. This indicates T-Mobile Home Internet reliably delivers speeds expected by the customer based on the plan they are paying for.
| ISP / Tech Type | Costa Mesa Speed | California Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| GFiber | (0) | (11) |  (105) | View Plans | ||
| T-Mobile Home Internet | (0) | (27) | (342) | View Plans | ||
| Verizon | (0) | (28) | (816) | View Plans | ||
| Spectrum | (0) | (228) | (1949) | View Plans | ||
| HughesNet | (0) |  (1) | (25) | View Plans | ||
| Cox | (0) | (55) | (453) | View Plans | ||
| Viasat | (0) |  (1) | (12) | View Plans | ||
| AT&T | (1) | (119) | (1051) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| Smartaira | (0) | (3) | (7) | View Plans | ||
| Cosmo Network Solutions | (0) | (0) | (0) | View Plans | ||
| GeoLinks | (0) | (0) | (0) | View Plans |
Who is the Cheapest Internet Provider in Costa Mesa?
Of the providers in Costa Mesa, customers rate T-Mobile Home Internet the best for price. Data comes from customers rating their satisfaction with pricing: in Costa Mesa where enough of them have reviewed a provider, otherwise across California or the country. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
T-Mobile Home Internet is rated 4.26 out of 5 for price, which is higher than the average across all internet providers in the country. Verizon is rated second for affordability, with an average price rating of 3.75 out of 5.
The table below shows how customers in Costa Mesa, California, and the United States rated the affordability of their internet service.
Rated Affordability in Costa Mesa
| ISP / Tech Type | Costa Mesa Affordability | California Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (27) | (342) | View Plans | ||
| Verizon | (0) | (28) | (816) | View Plans | ||
| HughesNet | (0) | (1) | (25) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| GFiber | (0) | (11) | (105) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| AT&T | (1) | (119) | (1051) | View Plans | ||
| Smartaira | (0) | (3) | (7) | View Plans | ||
| Spectrum | (0) | (228) | (1949) | View Plans | ||
| Cox | (0) | (55) | (453) | View Plans | ||
| Cosmo Network Solutions | (0) | (0) | (0) | View Plans | ||
| GeoLinks | (0) | (0) | (0) | View Plans |
Customer Reviews for Internet Service Providers in California
Customer Reviews
Steve
ting Fiber
November 13, 2026 Slow, 1/10th the speed they advertised
Robert
Verizon Fixed Wireless
November 10, 2026 Was cut off with .out notice due to upgrade and was not provided connection to upgrade from the same location (tower). Causing further problems in service and added cost.
ISPReports User
AT&T DSL
November 08, 2026 Lousy
ISPReports User
Fidium
November 08, 2026 Vernice
Frontier Fiber
November 01, 2026 Horrible this is horrible. My internet has been down for two days in a half. Never again
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Which ISP Should You Choose in Costa Mesa?
The right ISP for you depends upon your needs, but in general we can make the following suggestions:
- The best all-around internet service provider in Costa Mesa is T-Mobile Home Internet.
- The fastest internet provider should be AT&T and EarthLink. Considering speed for the money and reliability in speeds, T-Mobile Home Internet may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Costa Mesa is T-Mobile Home Internet.
- Viasat, Spectrum, and HughesNet has the broadest coverage in Costa Mesa, available to 99.7% of homes, and is most likely to cover your home. To find out exactly what’s available at your home, please use our address search tool.