Best Internet Providers in Montclair, CA
All 7 providers, ranked by coverage, speed and customer ratings
Find internet availability by address in Montclair, CA
Montclair has 7 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, Fixed Wireless, and DSL 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 Montclair.
Ranks compare Montclair with the 1,383 US suburban and regional cities (25,000 to 49,999 people), the tiers of our fastest-cities rankings.
The Best Internet in Montclair, CA at a Glance
Montclair Internet Providers, Ranked by Coverage, Speed and Customer Ratings
Spectrum
Connection
Customer Rating
Fiber
Cable
Frontier
Connection
Customer Rating
Fiber
DSL
EarthLink
Connection
Customer Rating
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 Montclair ratings may vary and are shown below.
Who is the Best Internet Provider in Montclair, CA?
T-Mobile Home Internet is the best internet provider in Montclair 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 Montclair, making it a solid recommendation among providers with reviews. T-Mobile Home Internet is an option for 99.93% 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 Montclair?
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 Montclair
- Frontier - fiber coverage map
- Spectrum - cable coverage map
- Verizon - fixed wireless coverage map
- Spectrum - fiber coverage map
- T-Mobile Home Internet - fixed wireless coverage map
- GeoLinks - fixed wireless coverage map
- AT&T - fixed wireless coverage map
- EarthLink - fixed wireless coverage map
- Frontier - dsl coverage map
How Montclair Compares to Places Its Size
Montclair's report card score is in the top 15% and its connectivity index is in the bottom 49%.
| Measure | Montclair | Rank among US suburban and regional cities (25,000 to 49,999 people) | San Bernardino County | California | US | Leader |
|---|---|---|---|---|---|---|
| ISP Report Card inputs: what providers offer here | ||||||
| Fiber availability | 99.4% | top 8% | 74.8% | 62.4% | 71.5% | 25 places at 100.0% |
| Average top speed | 5,407 Mbps | top 19% | 5,050 Mbps | 3,834 Mbps | 3,486 Mbps | Hixson, TN (25,000 Mbps) |
| Providers at a typical address | 6.3 | bottom 31% | 6.1 | 8 | 7.1 | San Lorenzo, CA (13) |
| Connectivity index inputs: how much households need and use the internet | ||||||
| People per household | 3.6 | top 3% | 3.3 | 3.0 | 2.7 | Kiryas Joel, NY (5.1) |
| Workers who work from home | 7% | bottom 13% | 11% | 17% | 15% | Venice, CA (47%) |
| Homes with a computer, tablet or phone | 97% | top 32% | 97% | 97% | 96% | 16 places at 100% |
| Homes with internet | 93% | top 48% | 94% | 94% | 91% | 13 places at 99% |
| Homes on fiber, cable or DSL | 77% | bottom 41% | 78% | 79% | 76% | Burke, VA and Colleyville, TX and 3 more (94%) |
| More about the households here | ||||||
| Homes with a desktop or laptop | 76% | bottom 26% | 82% | 84% | 81% | University Park, TX (99%) |
| Median household income | $84,333 | bottom 42% | $93,949 | $111,728 | $93,246 | Scarsdale, NY ($244,191) |
| Residents in school (6th grade to college) | 21% | top 6% | 18% | 17% | 16% | Rexburg, ID (71%) |
Fiber reaches 99.4% of homes in Montclair, against 74.8% across San Bernardino County and 62.4% across California. Households in Montclair are larger than the US average (3.6 people against 2.7); 7% of workers work from home (US 15%); and the median household income is $84,333 (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 Montclair
Which Fiber Internet Providers are Available in Montclair?
Frontier Fiber in Montclair, CA
Availability:
97.6%
Customer Rating:
(119)
Avg. Download Speed
5,517 Mbps
Frontier Communications offers Fiber service to 97.6% of Montclair homes. Across the city, Frontier Fiber has speeds up to 5,517 Mbps, with speeds from 5,000 Mpbs up to 7,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for Frontier Fiber. Frontier Fiber is rated about the same as other types of internet service available in Montclair from Frontier in terms of customer satisfaction.
Spectrum Fiber in Montclair, CA
Availability:
11.0%
Customer Rating:
(207)
Avg. Download Speed
1,000 Mbps
Spectrum offers Fiber service to 11.0% of Montclair homes. Across the city, Spectrum Fiber has speeds up to 1,000 Mbps
Which Fixed Wireless and LTE Internet Providers are Available in Montclair?
T-Mobile Home Internet Fixed Wireless in Montclair, CA
Availability:
99.9%
Customer Rating:
(342)
Avg. Download Speed
85 Mbps
T-Mobile Home Internet offers Fixed Wireless service to 99.9% of Montclair homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 85 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 17 Mbps throughout the city.
EarthLink Fixed Wireless in Montclair, CA
Availability:
98.0%
Customer Rating:
(4)
Avg. Download Speed
45 Mbps
EarthLink offers Fixed Wireless service to 98.0% of Montclair homes. Across the city, EarthLink Fixed Wireless is the only type of service available from the company, with speeds up to 45 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 7.5 Mbps throughout the city.
AT&T Fixed Wireless in Montclair, CA
Availability:
98.0%
Customer Rating:
(205)
Avg. Download Speed
45 Mbps
AT&T offers Fixed Wireless service to 98.0% of Montclair homes. Across the city, AT&T Fixed Wireless is the only type of service available from the company, with speeds up to 45 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 7.5 Mbps throughout the city.
Verizon Fixed Wireless in Montclair, CA
Availability:
78.9%
Customer Rating:
(362)
Avg. Download Speed
284 Mbps
Verizon offers Fixed Wireless service to 78.9% of Montclair homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 284 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 19 Mbps throughout the city.
GeoLinks Fixed Wireless in Montclair, CA
Availability:
35.4%
Customer Rating:
(0)
Avg. Download Speed
217 Mbps
GeoLinks offers Fixed Wireless service to 35.4% of Montclair homes. Across the city, GeoLinks Fixed Wireless is the only type of service available from the company, with speeds up to 217 Mbps, with speeds from 200 Mpbs up to 1,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for GeoLinks Fixed Wireless.
Which Cable Internet Providers are Available in Montclair?
Spectrum Cable in Montclair, CA
Availability:
100.0%
Customer Rating:
(1739)
Avg. Download Speed
1,000 Mbps
Spectrum offers Cable service to 100.0% of Montclair homes. Across the city, Spectrum Cable has speeds up to 1,000 Mbps
Which DSL Internet Providers are Available in Montclair?
Frontier DSL in Montclair, CA
Availability:
6.8%
Customer Rating:
(58)
Avg. Download Speed
15 Mbps
Frontier Communications offers DSL service to 6.8% of Montclair homes. Across the city, Frontier DSL has speeds up to 15 Mbps, with speeds from 10 Mpbs up to 45 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 3.0, with an average of 1.3 Mbps throughout the city. Frontier DSL is rated higher than other types of internet service available in Montclair from Frontier in terms of customer satisfaction.
Internet in Montclair by Neighborhood and ZIP Code
Montclair has 1 ZIP code with its own page. Each row links to that place’s page.
Neighborhoods in Montclair
| Neighborhood | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
ZIP codes in Montclair
| ZIP code | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| 91763 | 38,041 | 99.4% | 5,393 Mbps | 6.3 | A- | 71/100 |
How Montclair Compares to Nearby Places
The 10 places nearest to Montclair that have their own pages are all within 8 miles. Among them, Ontario has the most homes with fiber (96.7%) and Rancho Cucamonga the fewest (53.6%); Montclair has 99.4%.
| Place | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| Montclair (this page) | 38,378 | 99.4% | 5,407 Mbps | 6.3 | A- | 71/100 |
| Ontario | 177,355 | 96.7% | 6,674 Mbps | 6.1 | B+ | 78/100 |
| Pomona | 154,267 | 96.5% | 6,508 Mbps | 6.1 | B+ | 71/100 |
| Rancho Cucamonga | 151,058 | 53.6% | 3,954 Mbps | 5.7 | B- | 84/100 |
| Chino | 97,138 | 93.6% | 6,561 Mbps | 5.6 | B+ | 86/100 |
| Upland | 82,582 | 83.4% | 5,953 Mbps | 6.1 | B | 86/100 |
| Chino Hills | 79,721 | 94.6% | 6,632 Mbps | 5.4 | B | 91/100 |
| Diamond Bar | 54,709 | 54.5% | 4,088 Mbps | 5.8 | B- | 84/100 |
| Claremont | 39,315 | 71.2% | 4,214 Mbps | 5.8 | B- | 79/100 |
| San Dimas | 37,779 | 81.1% | 5,835 Mbps | 6.1 | B | 78/100 |
| La Verne | 33,752 | 92.4% | 6,405 Mbps | 5.6 | B | 85/100 |
Who is the Fastest Internet Provider in Montclair?
Based on both FCC data and unbiased customer ratings, the fastest internet in the city comes from Frontier Communications.
Data Reported to FCC by ISPs: Average Maximum Available in Montclair
| Frontier Communications | 7,000 |
|---|---|
| Spectrum | 1,000 |
| GeoLinks | 1,000 |
| Verizon | 300 |
| Viasat | 100 |
| T-Mobile Home Internet | 100 |
| AT&T | 100 |
| EarthLink | 100 |
| HughesNet | 25 |
How fast is your internet?
Test your connection here and see it next to the speeds providers advertise in Montclair. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.
Customer Ratings for Montclair Internet Providers
Based on 455 reviews from California internet customers, T-Mobile Home Internet is the best internet service provider for Montclair residents. T-Mobile Home Internet was rated at an average of 4.11 out of 5 in our report for overall customer satisfaction. Frontier Communications wins for second-place in California, with 3.71 out of 5 stars and 97.6% coverage in Montclair.
At a national level, based on 4350 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 Montclair Internet Providers
The table below shows average customer ratings from customers in Montclair, California, and customers throughout the country.
| ISP / Tech Type | Montclair Overall | California Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (27) | (342) | View Plans | ||
| Frontier | (0) | (51) | (177) | 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 | ||
| Spectrum | (0) | (228) | (1949) | View Plans | ||
| GeoLinks | (0) | (0) | (0) | View Plans |
Customer Ratings for Internet Provider Speeds in Montclair
Based on data reported by Montclair ISPs to the FCC, the fastest speeds in the city are available through Frontier Communications. The company offers speeds up to 7,000 Mbps in Montclair. Therefore, the average customer can get up to 5,517 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 Frontier Communications. This indicates Frontier reliably delivers speeds expected by the customer based on the plan they are paying for.
| ISP / Tech Type | Montclair Speed | California Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| Frontier | (0) | (51) | (177) | 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 | ||
| Viasat | (0) |  (1) | (12) | View Plans | ||
| AT&T | (0) | (119) | (1051) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| GeoLinks | (0) | (0) | (0) | View Plans |
Who is the Cheapest Internet Provider in Montclair?
Of the providers in Montclair, customers rate T-Mobile Home Internet the best for price. Data comes from customers rating their satisfaction with pricing: in Montclair 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 Montclair, California, and the United States rated the affordability of their internet service.
Rated Affordability in Montclair
| ISP / Tech Type | Montclair 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 | ||
| Frontier | (0) | (51) | (177) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| AT&T | (0) | (119) | (1051) | View Plans | ||
| Spectrum | (0) | (228) | (1949) | 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 Montclair?
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 Montclair is T-Mobile Home Internet.
- The fastest internet provider should be Frontier Communications. Considering speed for the money and reliability in speeds, Frontier Communications may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Montclair is T-Mobile Home Internet.
- Viasat, Spectrum, and HughesNet has the broadest coverage in Montclair, 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.