Best Internet Providers in Alum Rock, CA
All 10 providers, ranked by coverage, speed and customer ratings
Find internet availability by address in Alum Rock, CA
Alum Rock 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 Alum Rock.
Ranks compare Alum Rock with the 3,338 US towns of 10,000 to 24,999 people, the tiers of our fastest-cities rankings.
The Best Internet in Alum Rock, CA at a Glance
Alum Rock Internet Providers, Ranked by Coverage, Speed and Customer Ratings
XFINITY
Connection
Customer Rating
Cable
EarthLink
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
AT&T
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
Sonic
Connection
Customer Rating
Fiber
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 Alum Rock ratings may vary and are shown below.
Who is the Best Internet Provider in Alum Rock, CA?
Sonic is the best internet provider in Alum Rock based on California customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, Sonic had the best reviews at the local, state, and national levels versus all available providers in Alum Rock, making it a solid recommendation among providers with reviews. Sonic is an option for 83.94% of the city.
Which Providers are Available at my Home in Alum Rock?
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 Alum Rock
- Sonic - fiber coverage map
- AT&T - fiber coverage map
- EarthLink - fiber coverage map
- XFINITY - cable coverage map
- Sail Internet - fixed wireless coverage map
- Verizon - fixed wireless coverage map
- Etheric Networks - fixed wireless coverage map
- GeoLinks - fixed wireless coverage map
- Ridge Wireless - fixed wireless coverage map
- T-Mobile Home Internet - fixed wireless coverage map
- AT&T - dsl coverage map
- EarthLink - dsl coverage map
- AT&T - fixed wireless coverage map
- EarthLink - fixed wireless coverage map
How Alum Rock Compares to Places Its Size
Alum Rock's report card score is in the top 1% and its connectivity index is in the top 41%.
| Measure | Alum Rock | Rank among US towns of 10,000 to 24,999 people | Santa Clara County | California | US | Leader |
|---|---|---|---|---|---|---|
| ISP Report Card inputs: what providers offer here | ||||||
| Fiber availability | 99.9% | top 4% | 59.0% | 62.4% | 71.5% | 115 places at 100.0% |
| Average top speed | 9,194 Mbps | top 1% | 4,067 Mbps | 3,834 Mbps | 3,486 Mbps | Middle Valley, TN and Red Bank, TN and 1 more (25,000 Mbps) |
| Providers at a typical address | 12 | top 1% | 10.3 | 8 | 7.1 | Joshua, TX (13.3) |
| Connectivity index inputs: how much households need and use the internet | ||||||
| People per household | 3.9 | top 1% | 3.0 | 3.0 | 2.7 | North Bay Shore, NY (4.7) |
| Workers who work from home | 8% | bottom 26% | 24% | 17% | 15% | Brambleton, VA (51%) |
| Homes with a computer, tablet or phone | 97% | top 28% | 98% | 97% | 96% | 86 places at 100% |
| Homes with internet | 92% | top 48% | 95% | 94% | 91% | 11 places at 100% |
| Homes on fiber, cable or DSL | 76% | bottom 46% | 85% | 79% | 76% | Klahanie, WA and Short Hills, NJ and 1 more (96%) |
| More about the households here | ||||||
| Homes with a desktop or laptop | 82% | top 49% | 90% | 84% | 81% | Stone Ridge, VA and West University Place, TX and 1 more (100%) |
| Median household income | $121,999 | top 23% | $169,968 | $111,728 | $93,246 | West University Place, TX ($249,707) |
| Residents in school (6th grade to college) | 17% | top 19% | 17% | 17% | 16% | Stanford, CA (84%) |
Fiber reaches 99.9% of homes in Alum Rock, against 59.0% across Santa Clara County and 62.4% across California. Households in Alum Rock are larger than the US average (3.9 people against 2.7); 8% of workers work from home (US 15%); and the median household income is $121,999 (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 Alum Rock
Which Fiber Internet Providers are Available in Alum Rock?
EarthLink Fiber in Alum Rock, CA
Availability:
99.5%
Customer Rating:
(6)
Avg. Download Speed
5,000 Mbps
EarthLink offers Fiber service to 99.5% of Alum Rock homes. Across the city, EarthLink Fiber has speeds up to 5,000 Mbps
AT&T Fiber in Alum Rock, CA
Availability:
99.5%
Customer Rating:
(542)
Avg. Download Speed
5,000 Mbps
AT&T offers Fiber service to 99.5% of Alum Rock homes. Across the city, AT&T Fiber has speeds up to 5,000 Mbps
Sonic Fiber in Alum Rock, CA
Availability:
83.9%
Customer Rating:
(14)
Avg. Download Speed
10,000 Mbps
Sonic offers Fiber service to 83.9% of Alum Rock homes. Across the city, Sonic Fiber is the only type of service available from the company, with speeds up to 10,000 Mbps
Which Fixed Wireless and LTE Internet Providers are Available in Alum Rock?
Etheric Networks Fixed Wireless in Alum Rock, CA
Availability:
100.0%
Customer Rating:
(0)
Avg. Download Speed
250 Mbps
Etheric Networks offers Fixed Wireless service to 100.0% of Alum Rock homes. Across the city, Etheric Networks Fixed Wireless is the only type of service available from the company, with speeds up to 250 Mbps
Ridge Wireless Fixed Wireless in Alum Rock, CA
Availability:
99.6%
Customer Rating:
(0)
Avg. Download Speed
99 Mbps
Ridge Wireless offers Fixed Wireless service to 99.6% of Alum Rock homes. Across the city, Ridge Wireless Fixed Wireless is the only type of service available from the company, with speeds up to 99 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 60, with an average of 59 Mbps throughout the city.
Sail Internet Fixed Wireless in Alum Rock, CA
Availability:
99.6%
Customer Rating:
(0)
Avg. Download Speed
736 Mbps
Sail Internet offers Fixed Wireless service to 99.6% of Alum Rock homes. Across the city, Sail Internet Fixed Wireless is the only type of service available from the company, with speeds up to 736 Mbps, with speeds from 500 Mpbs up to 800 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 100 and as high as 160, with an average of 147 Mbps throughout the city.
T-Mobile Home Internet Fixed Wireless in Alum Rock, CA
Availability:
98.7%
Customer Rating:
(342)
Avg. Download Speed
61 Mbps
T-Mobile Home Internet offers Fixed Wireless service to 98.7% of Alum Rock homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 61 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 11 Mbps throughout the city.
Verizon Fixed Wireless in Alum Rock, CA
Availability:
91.1%
Customer Rating:
(362)
Avg. Download Speed
328 Mbps
Verizon offers Fixed Wireless service to 91.1% of Alum Rock homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 328 Mbps, with speeds from 25 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 6.0 and as high as 75, with an average of 26 Mbps throughout the city.
EarthLink Fixed Wireless in Alum Rock, CA
Availability:
77.0%
Customer Rating:
(4)
Avg. Download Speed
47 Mbps
EarthLink offers Fixed Wireless service to 77.0% of Alum Rock homes. Across the city, EarthLink Fixed Wireless has speeds up to 47 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 7.9 Mbps throughout the city.
AT&T Fixed Wireless in Alum Rock, CA
Availability:
77.0%
Customer Rating:
(205)
Avg. Download Speed
47 Mbps
AT&T offers Fixed Wireless service to 77.0% of Alum Rock homes. Across the city, AT&T Fixed Wireless has speeds up to 47 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 7.9 Mbps throughout the city.
GeoLinks Fixed Wireless in Alum Rock, CA
Availability:
18.5%
Customer Rating:
(0)
Avg. Download Speed
1,000 Mbps
GeoLinks offers Fixed Wireless service to 18.5% of Alum Rock 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 Alum Rock?
XFINITY Cable in Alum Rock, CA
Availability:
100.0%
Customer Rating:
(2077)
Avg. Download Speed
1,995 Mbps
XFINITY from Comcast offers Cable service to 100.0% of Alum Rock homes. Across the city, XFINITY Cable is the only type of service available from the company, with speeds up to 1,995 Mbps, with speeds from 1,200 Mpbs up to 2,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 35 and as high as 2,000, with an average of 1,277 Mbps throughout the city.
Which DSL Internet Providers are Available in Alum Rock?
EarthLink DSL in Alum Rock, CA
Availability:
79.4%
Customer Rating:
(5)
Avg. Download Speed
67 Mbps
EarthLink offers DSL service to 79.4% of Alum Rock homes. Across the city, EarthLink DSL has speeds up to 67 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 14 Mbps throughout the city. EarthLink DSL is rated higher than other types of internet service available in Alum Rock from EarthLink in terms of customer satisfaction.
AT&T DSL in Alum Rock, CA
Availability:
79.4%
Customer Rating:
(304)
Avg. Download Speed
67 Mbps
AT&T offers DSL service to 79.4% of Alum Rock homes. Across the city, AT&T DSL has speeds up to 67 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 14 Mbps throughout the city. AT&T DSL is rated about the same as other types of internet service available in Alum Rock from AT&T in terms of customer satisfaction.
Internet in Alum Rock by Neighborhood and ZIP Code
Each row links to that place’s page.
Neighborhoods in Alum Rock
| Neighborhood | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
ZIP codes in Alum Rock
| ZIP code | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
How Alum Rock Compares to Nearby Places
The 10 places nearest to Alum Rock that have their own pages are all within 12 miles. Among them, Monte Sereno has the most homes with fiber (94.1%) and Mount Hamilton the fewest (45.6%); Alum Rock has 99.9%.
| Place | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| Alum Rock (this page) | 20,704 | 99.9% | 9,194 Mbps | 12 | A+ | 71/100 |
| San Jose metro area | 2,000,468 | 58.4% | 3,982 Mbps | 10.3 | B+ | 89/100 |
| Sunnyvale | 152,915 | 60.1% | 3,375 Mbps | 10.4 | B+ | 88/100 |
| Santa Clara | 129,391 | 54.1% | 3,480 Mbps | 10.9 | B+ | 86/100 |
| Milpitas | 83,361 | 46.3% | 3,171 Mbps | 11.2 | B | 94/100 |
| Cupertino | 63,205 | 72.0% | 3,880 Mbps | 10.4 | B+ | 93/100 |
| Campbell | 51,924 | 79.0% | 4,289 Mbps | 10.8 | B+ | 83/100 |
| Monte Sereno | 4,334 | 94.1% | 6,716 Mbps | 7.4 | A- | 93/100 |
| Alviso | 2,089 | 84.2% | 4,180 Mbps | 10.5 | A- | 61/100 |
| Mount Hamilton | 1,421 | 45.6% | 5,802 Mbps | 9.9 | B+ | 82/100 |
| Coyote | 114 | 0.0% | 363 Mbps | 5.1 | D | 56/100 |
Who is the Fastest Internet Provider in Alum Rock?
Based on both FCC data and unbiased customer ratings, the fastest internet in the city comes from Sonic.
Data Reported to FCC by ISPs: Average Maximum Available in Alum Rock
| Sonic | 10,000 |
|---|---|
| AT&T | 5,000 |
| EarthLink | 5,000 |
| XFINITY from Comcast | 2,000 |
| Verizon | 1,000 |
| GeoLinks | 1,000 |
| Sail Internet | 800 |
| Etheric Networks | 250 |
| Viasat | 100 |
| Ridge Wireless | 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 Alum Rock. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.
Customer Ratings for Alum Rock Internet Providers
Based on 401 reviews from California internet customers, Sonic is the best internet service provider for Alum Rock residents. Sonic was rated at an average of 4.43 out of 5 in our report for overall customer satisfaction. T-Mobile Home Internet wins for second-place in California, with 4.11 out of 5 stars and 98.7% coverage in Alum Rock.
At a national level, based on 4617 national reviews for any of the providers listed above, Sonic is rated higher than any other provider, with a rating of 4.43 out of 5.
Local, State, and National Ratings for all Alum Rock Internet Providers
The table below shows average customer ratings from customers in Alum Rock, California, and customers throughout the country.
| ISP / Tech Type | Alum Rock Overall | California Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| Sonic | (0) | (14) | (14) | View Plans | ||
| 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 | ||
| XFINITY | (0) | (211) | (2379) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| AT&T | (0) | (119) | (1051) | View Plans | ||
| Ridge Wireless | (0) | (0) | (0) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| Sail Internet | (0) | (0) | (0) | View Plans | ||
| GeoLinks | (0) | (0) | (0) | View Plans |
Customer Ratings for Internet Provider Speeds in Alum Rock
Based on data reported by Alum Rock ISPs to the FCC, the fastest speeds in the city are available through Sonic. The company offers speeds up to 10,000 Mbps in Alum Rock. Therefore, the average customer can get up to 10,000 Mbps if they’re willing to purchase the fastest subscription tier available at their homes.
Additionally, actual customers rated their satisfaction with internet speed highest with Sonic. This indicates Sonic reliably delivers speeds expected by the customer based on the plan they are paying for.
| ISP / Tech Type | Alum Rock Speed | California Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| Sonic | (0) | (14) | (14) | View Plans | ||
| T-Mobile Home Internet | (0) | (27) | (342) | View Plans | ||
| XFINITY | (0) | (211) | (2379) | View Plans | ||
| Verizon | (0) | (28) | (816) | View Plans | ||
| HughesNet | (0) |  (1) | (25) | View Plans | ||
| Viasat | (0) |  (1) | (12) | View Plans | ||
| AT&T | (0) | (119) | (1051) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| Ridge Wireless | (0) | (0) | (0) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| Sail Internet | (0) | (0) | (0) | View Plans | ||
| GeoLinks | (0) | (0) | (0) | View Plans |
Who is the Cheapest Internet Provider in Alum Rock?
Of the providers in Alum Rock, customers rate T-Mobile Home Internet the best for price. Data comes from customers rating their satisfaction with pricing: in Alum Rock 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. Sonic is rated second for affordability, with an average price rating of 4.14 out of 5.
The table below shows how customers in Alum Rock, California, and the United States rated the affordability of their internet service.
Rated Affordability in Alum Rock
| ISP / Tech Type | Alum Rock Affordability | California Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (27) | (342) | View Plans | ||
| Sonic | (0) | (14) | (14) | 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 | (0) | (119) | (1051) | View Plans | ||
| XFINITY | (0) | (211) | (2379) | View Plans | ||
| Ridge Wireless | (0) | (0) | (0) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| Sail Internet | (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 Alum Rock?
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 Alum Rock is Sonic.
- The fastest internet provider should be Sonic. Considering speed for the money and reliability in speeds, Sonic may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Alum Rock is T-Mobile Home Internet.
- XFINITY from Comcast, Viasat, HughesNet, Etheric Networks, EarthLink, and AT&T has the broadest coverage in Alum Rock, available to 100.0% 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.