Best Internet Providers in Castle Hills, TX
All 6 providers, ranked by coverage, speed and customer ratings
Find internet availability by address in Castle Hills, TX
Castle Hills has 6 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 Castle Hills.
Ranks compare Castle Hills with the 15,682 US towns of 1,000 to 9,999 people, the tiers of our fastest-cities rankings.
The Best Internet in Castle Hills, TX at a Glance
Castle Hills 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
Astound Broadband
Connection
Customer Rating
Fiber
Cable
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 Castle Hills ratings may vary and are shown below.
Who is the Best Internet Provider in Castle Hills, TX?
T-Mobile Home Internet is the highest-rated internet provider in Castle Hills based on 443 Texas customer reviews, and T-Mobile Home Internet has the highest rating nationwide. The provider information above and the information immediately below can help you decide. Compare provider ratings and review counts above.
Click here to get T-Mobile Home Internet
or call 1-833-601-2935
Which Providers are Available at my Home in Castle Hills?
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 Castle Hills
- AT&T - fiber coverage map
- EarthLink - fiber coverage map
- Spectrum - cable coverage map
- Astound Broadband - cable coverage map
- Verizon - fixed wireless coverage map
- Spectrum - fiber coverage map
- T-Mobile Home Internet - fixed wireless coverage map
- Astound Broadband - fiber coverage map
- AT&T - dsl coverage map
- EarthLink - dsl coverage map
- AT&T - fixed wireless coverage map
- EarthLink - fixed wireless coverage map
How Castle Hills Compares to Places Its Size
Castle Hills's report card score is in the top 1% and its connectivity index is in the top 16%.
| Measure | Castle Hills | Rank among US towns of 1,000 to 9,999 people | Bexar County | Texas | US | Leader |
|---|---|---|---|---|---|---|
| ISP Report Card inputs: what providers offer here | ||||||
| Fiber availability | 100.0% | top 1% | 93.2% | 82.8% | 71.5% | Tied with 1,055 other places at 100.0% |
| Average top speed | 4,959 Mbps | top 12% | 5,129 Mbps | 4,265 Mbps | 3,486 Mbps | Collegedale, TN and Lakesite, TN and 2 more (25,000 Mbps) |
| Providers at a typical address | 8.8 | top 4% | 9.2 | 8.1 | 7.1 | McLendon-Chisholm, TX (14.2) |
| Connectivity index inputs: how much households need and use the internet | ||||||
| People per household | 2.6 | top 33% | 2.9 | 2.8 | 2.7 | St. George, GA (6.2) |
| Workers who work from home | 14% | top 25% | 15% | 15% | 15% | Indian Springs, NV (76%) |
| Homes with a computer, tablet or phone | 96% | top 28% | 97% | 96% | 96% | 515 places at 100% |
| Homes with internet | 96% | top 9% | 93% | 92% | 91% | 115 places at 100% |
| Homes on fiber, cable or DSL | 77% | top 24% | 78% | 74% | 76% | Bunkerville, NV and Fort Myer, VA and 3 more (100%) |
| More about the households here | ||||||
| Homes with a desktop or laptop | 74% | bottom 48% | 81% | 80% | 81% | 12 places at 100% |
| Median household income | $107,611 | top 15% | $86,480 | $92,311 | $93,246 | 16 places at $250,001 |
| Residents in school (6th grade to college) | 13% | top 43% | 18% | 17% | 16% | University Park, PA (95%) |
Fiber reaches 100.0% of homes in Castle Hills, against 93.2% across Bexar County and 82.8% across Texas. Households in Castle Hills are smaller than the US average (2.6 people against 2.7); 14% of workers work from home (US 15%); and the median household income is $107,611 (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 Castle Hills
Which Fiber Internet Providers are Available in Castle Hills?
EarthLink Fiber in Castle Hills, TX
Availability:
99.4%
Customer Rating:
(6)
Avg. Download Speed
4,981 Mbps
EarthLink offers Fiber service to 99.4% of Castle Hills homes. Across the city, EarthLink Fiber has speeds up to 4,981 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 Castle Hills from EarthLink in terms of customer satisfaction.
AT&T Fiber in Castle Hills, TX
Availability:
99.4%
Customer Rating:
(542)
Avg. Download Speed
4,981 Mbps
AT&T offers Fiber service to 99.4% of Castle Hills homes. Across the city, AT&T Fiber has speeds up to 4,981 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 Castle Hills from AT&T in terms of customer satisfaction.
Spectrum Fiber in Castle Hills, TX
Availability:
17.1%
Customer Rating:
(207)
Avg. Download Speed
1,000 Mbps
Spectrum offers Fiber service to 17.1% of Castle Hills homes. Across the city, Spectrum Fiber has speeds up to 1,000 Mbps
Astound Broadband Fiber in Castle Hills, TX
Availability:
4.0%
Customer Rating:
(21)
Avg. Download Speed
1,500 Mbps
Astound Broadband offers Fiber service to 4.0% of Castle Hills homes. Across the city, Astound Broadband Fiber has speeds up to 1,500 Mbps
Which Fixed Wireless and LTE Internet Providers are Available in Castle Hills?
T-Mobile Home Internet Fixed Wireless in Castle Hills, TX
Availability:
99.5%
Customer Rating:
(342)
Avg. Download Speed
90 Mbps
T-Mobile Home Internet offers Fixed Wireless service to 99.5% of Castle Hills homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 90 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 18 Mbps throughout the city.
Verizon Fixed Wireless in Castle Hills, TX
Availability:
99.5%
Customer Rating:
(362)
Avg. Download Speed
341 Mbps
Verizon offers Fixed Wireless service to 99.5% of Castle Hills homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 341 Mbps, with speeds from 300 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 20 and as high as 75, with an average of 23 Mbps throughout the city.
EarthLink Fixed Wireless in Castle Hills, TX
Availability:
81.8%
Customer Rating:
(4)
Avg. Download Speed
46 Mbps
EarthLink offers Fixed Wireless service to 81.8% of Castle Hills homes. Across the city, EarthLink Fixed Wireless has speeds up to 46 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 7.7 Mbps throughout the city.
AT&T Fixed Wireless in Castle Hills, TX
Availability:
81.8%
Customer Rating:
(205)
Avg. Download Speed
46 Mbps
AT&T offers Fixed Wireless service to 81.8% of Castle Hills homes. Across the city, AT&T Fixed Wireless has speeds up to 46 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 7.7 Mbps throughout the city.
Which Cable Internet Providers are Available in Castle Hills?
Spectrum Cable in Castle Hills, TX
Availability:
99.5%
Customer Rating:
(1739)
Avg. Download Speed
1,000 Mbps
Spectrum offers Cable service to 99.5% of Castle Hills homes. Across the city, Spectrum Cable has speeds up to 1,000 Mbps
Astound Broadband Cable in Castle Hills, TX
Availability:
55.1%
Customer Rating:
(97)
Avg. Download Speed
1,500 Mbps
Astound Broadband offers Cable service to 55.1% of Castle Hills homes. Across the city, Astound Broadband Cable has speeds up to 1,500 Mbps
Which DSL Internet Providers are Available in Castle Hills?
EarthLink DSL in Castle Hills, TX
Availability:
69.3%
Customer Rating:
(5)
Avg. Download Speed
69 Mbps
EarthLink offers DSL service to 69.3% of Castle Hills homes. Across the city, EarthLink DSL has speeds up to 69 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 Castle Hills from EarthLink in terms of customer satisfaction.
AT&T DSL in Castle Hills, TX
Availability:
69.3%
Customer Rating:
(304)
Avg. Download Speed
69 Mbps
AT&T offers DSL service to 69.3% of Castle Hills homes. Across the city, AT&T DSL has speeds up to 69 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 Castle Hills from AT&T in terms of customer satisfaction.
Internet in Castle Hills by Neighborhood and ZIP Code
Each row links to that place’s page.
Neighborhoods in Castle Hills
| Neighborhood | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
ZIP codes in Castle Hills
| ZIP code | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
How Castle Hills Compares to Nearby Places
The 10 places nearest to Castle Hills that have their own pages are all within 8 miles. Among them, Olmos Park has the most homes with fiber (100.0%) and Shavano Park the fewest (69.8%); Castle Hills has 100.0%.
| Place | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| Castle Hills (this page) | 3,978 | 100.0% | 4,959 Mbps | 8.8 | A | 72/100 |
| San Antonio metro area | 2,558,143 | 90.2% | 4,699 Mbps | 9 | A- | 76/100 |
| Leon Valley | 14,200 | 99.3% | 7,628 Mbps | 9.3 | A | 39/100 |
| Alamo Heights | 7,361 | 98.0% | 4,900 Mbps | 9.6 | A | 76/100 |
| Windcrest | 5,939 | 99.2% | 7,794 Mbps | 8.4 | A | 68/100 |
| Terrell Hills | 5,045 | 99.5% | 4,743 Mbps | 9.7 | A | 89/100 |
| Shavano Park | 4,074 | 69.8% | 2,178 Mbps | 8.3 | B | 75/100 |
| Hollywood Park | 3,272 | 97.9% | 4,188 Mbps | 7.7 | A- | 84/100 |
| Balcones Heights | 2,746 | 99.2% | 3,523 Mbps | 7 | A- | 37/100 |
| Olmos Park | 2,176 | 100.0% | 4,839 Mbps | 9.3 | A | 86/100 |
| Hill Country Village | 942 | 53.1% | 2,648 Mbps | 7.8 | B | 73/100 |
Who is the Fastest Internet Provider in Castle Hills?
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 Castle Hills
| AT&T | 5,000 |
|---|---|
| EarthLink | 5,000 |
| Astound Broadband | 1,500 |
| Spectrum | 1,000 |
| Verizon | 1,000 |
| 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 Castle Hills. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.
Customer Ratings for Castle Hills Internet Providers
Based on 443 reviews from Texas internet customers, T-Mobile Home Internet is the best internet service provider for Castle Hills residents. T-Mobile Home Internet was rated at an average of 3.97 out of 5 in our report for overall customer satisfaction. Astound Broadband wins for second-place in Texas, with 4.14 out of 5 stars and 59.1% coverage in Castle Hills.
At a national level, based on 4295 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 Castle Hills Internet Providers
The table below shows average customer ratings from customers in Castle Hills, Texas, and customers throughout the country.
| ISP / Tech Type | Castle Hills Overall | Texas Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| Astound Broadband |  (0) | (14) | (122) | View Plans | ||
| T-Mobile Home Internet | (0) | (29) | (342) | View Plans | ||
| Verizon | (0) | (16) | (816) | View Plans | ||
| EarthLink | (0) | (1) | (15) | View Plans | ||
| AT&T | (0) | (184) | (1051) | View Plans | ||
| Viasat | (0) |  (1) |  (12) | View Plans | ||
| Spectrum | (1) | (199) | (1949) | View Plans | ||
| HughesNet | (0) |  (4) |  (25) | View Plans |
Customer Ratings for Internet Provider Speeds in Castle Hills
Based on data reported by Castle Hills 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 Castle Hills. Therefore, the average customer can get up to 4,950 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 | Castle Hills Speed | Texas Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| Astound Broadband | (0) | (14) | (122) | View Plans | ||
| T-Mobile Home Internet | (0) | (29) | (342) | View Plans | ||
| Verizon | (0) | (16) | (816) | View Plans | ||
| AT&T | (0) | (184) | (1051) | View Plans | ||
| Spectrum | (1) | (199) | (1949) | View Plans | ||
| EarthLink | (0) | (1) | (15) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| HughesNet | (0) | (4) | (25) | View Plans |
Who is the Cheapest Internet Provider in Castle Hills?
Of the providers in Castle Hills, customers rate T-Mobile Home Internet the best for price. Data comes from customers rating their satisfaction with pricing: in Castle Hills where enough of them have reviewed a provider, otherwise across Texas 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 3.97 out of 5 for price, which is similar to the average across all internet providers in the country. Verizon is rated second for affordability, with an average price rating of 3.88 out of 5.
The table below shows how customers in Castle Hills, Texas, and the United States rated the affordability of their internet service.
Rated Affordability in Castle Hills
| ISP / Tech Type | Castle Hills Affordability | Texas Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (29) | (342) | View Plans | ||
| Astound Broadband | (0) | (14) | (122) | View Plans | ||
| Verizon | (0) | (16) | (816) | View Plans | ||
| EarthLink | (0) | (1) | (15) | View Plans | ||
| AT&T | (0) | (184) | (1051) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| HughesNet | (0) | (4) | (25) | View Plans | ||
| Spectrum | (1) | (199) | (1949) | View Plans |
Customer Reviews for Internet Service Providers in Texas
Customer Reviews
Mike M
Spectrum Cable
November 10, 2026 Frequent outages for extended periods of time. Bastrop, Texas is not serviced well.
Evelyn O.
Optimum Cable
November 05, 2026 It's not the best in the world and they are way too high.
ISPReports User
Peoples Fiber
October 26, 2026 great service and great customer service
Glen M
Brazos Communications Fiber
October 06, 2026 Great
Paul West
Nortex Communications Fiber
October 06, 2026 Rate your provider
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Which ISP Should You Choose in Castle Hills?
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 Castle Hills 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 Castle Hills is T-Mobile Home Internet.
- Viasat, HughesNet, EarthLink, and AT&T has the broadest coverage in Castle Hills, 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.