Best Internet Providers in Castroville, CA
All 9 providers, ranked by coverage, speed and customer ratings
Find internet availability by address in Castroville, CA
Castroville has 9 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 Castroville.
Ranks compare Castroville with the 15,682 US towns of 1,000 to 9,999 people, the tiers of our fastest-cities rankings.
The Best Internet in Castroville, CA at a Glance
Castroville Internet Providers, Ranked by Coverage, Speed and Customer Ratings
Spectrum
Connection
Customer Rating
Fiber
Cable
EarthLink
Connection
Customer Rating
DSL
AT&T
Connection
Customer Rating
DSL
Razzolink
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 Castroville ratings may vary and are shown below.
Who is the Best Internet Provider in Castroville, CA?
T-Mobile Home Internet is the best internet provider in Castroville 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 Castroville, making it a solid recommendation among providers with reviews. T-Mobile Home Internet is an option for 99.40% 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 Castroville?
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 Castroville
- Spectrum - cable coverage map
- RAZZOLINK - fixed wireless coverage map
- Verizon - fixed wireless coverage map
- Cruzio Internet - fixed wireless coverage map
- T-Mobile Home Internet - fixed wireless coverage map
- GeoLinks - fixed wireless coverage map
- Etheric Networks - fixed wireless coverage map
- Spectrum - fiber coverage map
- AT&T - dsl coverage map
- EarthLink - dsl coverage map
How Castroville Compares to Places Its Size
Castroville's report card score is in the bottom 25% and its connectivity index is in the top 33%.
| Measure | Castroville | Rank among US towns of 1,000 to 9,999 people | Monterey County | California | US | Leader |
|---|---|---|---|---|---|---|
| ISP Report Card inputs: what providers offer here | ||||||
| Fiber availability | 3.7% | bottom 11% | 41.0% | 62.4% | 71.5% | 1,056 places at 100.0% |
| Average top speed | 998 Mbps | bottom 28% | 2,668 Mbps | 3,834 Mbps | 3,486 Mbps | Collegedale, TN and Lakesite, TN and 2 more (25,000 Mbps) |
| Providers at a typical address | 6.4 | top 30% | 8.3 | 8 | 7.1 | McLendon-Chisholm, TX (14.2) |
| Connectivity index inputs: how much households need and use the internet | ||||||
| People per household | 4.5 | top 1% | 3.4 | 3.0 | 2.7 | St. George, GA (6.2) |
| Workers who work from home | 11% | top 39% | 10% | 17% | 15% | Indian Springs, NV (76%) |
| Homes with a computer, tablet or phone | 96% | top 28% | 97% | 97% | 96% | 515 places at 100% |
| Homes with internet | 94% | top 17% | 94% | 94% | 91% | 115 places at 100% |
| Homes on fiber, cable or DSL | 55% | bottom 26% | 70% | 79% | 76% | Bunkerville, NV and Fort Myer, VA and 3 more (100%) |
| More about the households here | ||||||
| Homes with a desktop or laptop | 60% | bottom 12% | 75% | 84% | 81% | 12 places at 100% |
| Median household income | $85,724 | top 33% | $102,870 | $111,728 | $93,246 | 16 places at $250,001 |
| Residents in school (6th grade to college) | 18% | top 9% | 19% | 17% | 16% | University Park, PA (95%) |
Fiber reaches 3.7% of homes in Castroville, against 41.0% across Monterey County and 62.4% across California. Households in Castroville are larger than the US average (4.5 people against 2.7); 11% of workers work from home (US 15%); and the median household income is $85,724 (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 Castroville
Which Fiber Internet Providers are Available in Castroville?
Which Fixed Wireless and LTE Internet Providers are Available in Castroville?
RAZZOLINK Fixed Wireless in Castroville, CA
RAZZOLINK offers Fixed Wireless service to 99.9% of Castroville homes. Across the city, RAZZOLINK Fixed Wireless is the only type of service available from the company, with speeds up to 500 Mbps
T-Mobile Home Internet Fixed Wireless in Castroville, CA
T-Mobile Home Internet offers Fixed Wireless service to 99.4% of Castroville homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 73 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 14 Mbps throughout the city.
Verizon Fixed Wireless in Castroville, CA
Verizon offers Fixed Wireless service to 99.4% of Castroville homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 276 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.
Cruzio Internet Fixed Wireless in Castroville, CA
Cruzio Internet offers Fixed Wireless service to 14.7% of Castroville homes. Across the city, Cruzio Internet Fixed Wireless is the only type of service available from the company, with speeds up to 1,000 Mbps
GeoLinks Fixed Wireless in Castroville, CA
GeoLinks offers Fixed Wireless service to 13.5% of Castroville homes. Across the city, GeoLinks Fixed Wireless is the only type of service available from the company, with speeds up to 521 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.
Etheric Networks Fixed Wireless in Castroville, CA
Etheric Networks offers Fixed Wireless service to 12.9% of Castroville homes. Across the city, Etheric Networks Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
Which Cable Internet Providers are Available in Castroville?
Which DSL Internet Providers are Available in Castroville?
EarthLink DSL in Castroville, CA
EarthLink offers DSL service to 97.8% of Castroville homes. Across the city, EarthLink DSL is the only type of service available from the company, with speeds up to 10 Mbps
Internet in Castroville by Neighborhood and ZIP Code
Castroville has 1 ZIP code with its own page. Each row links to that place’s page.
Neighborhoods in Castroville
| Neighborhood | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
ZIP codes in Castroville
| ZIP code | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| 95012 | 11,656 | 4.8% | 1,024 Mbps | 6.3 | C | 59/100 |
How Castroville Compares to Nearby Places
The 10 places nearest to Castroville that have their own pages are all within 11 miles. Among them, Seaside has the most homes with fiber (68.9%) and Moss Landing the fewest (0.0%); Castroville has 3.7%.
| Place | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| Castroville (this page) | 8,901 | 3.7% | 998 Mbps | 6.4 | C- | 58/100 |
| Salinas | 181,543 | 44.7% | 3,102 Mbps | 9.8 | B | 64/100 |
| Watsonville | 78,531 | 56.6% | 3,067 Mbps | 9.3 | B | 63/100 |
| Seaside | 32,717 | 68.9% | 4,054 Mbps | 7.8 | B | 73/100 |
| Marina | 27,351 | 24.9% | 2,191 Mbps | 8.3 | B- | 77/100 |
| Prunedale | 12,856 | 37.7% | 1,146 Mbps | 8.7 | B- | 64/100 |
| Aromas | 5,460 | 31.7% | 956 Mbps | 8.5 | C+ | 61/100 |
| Moss Landing | 3,510 | 0.0% | 904 Mbps | 8 | C- | 75/100 |
| Elkhorn | 1,726 | 68.4% | 1,887 Mbps | 7.6 | B | 70/100 |
| Pajaro | 863 | 0.0% | 919 Mbps | 6.2 | D+ | 44/100 |
| East Garrison | 180 | 0.0% | 937 Mbps | 5.3 | D | 62/100 |
Who is the Fastest Internet Provider in Castroville?
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, Spectrum 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 Castroville
| Spectrum | 1,000 |
|---|---|
| Cruzio Internet | 1,000 |
| GeoLinks | 1,000 |
| RAZZOLINK | 500 |
| Verizon | 300 |
| Etheric Networks | 300 |
| Viasat | 100 |
| T-Mobile Home Internet | 100 |
| HughesNet | 25 |
| AT&T | 10 |
| EarthLink | 10 |
How fast is your internet?
Test your connection here and see it next to the speeds providers advertise in Castroville. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.
Customer Ratings for Castroville Internet Providers
Based on 404 reviews from California internet customers, T-Mobile Home Internet is the best internet service provider for Castroville 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 99.4% coverage in Castroville.
At a national level, based on 4173 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 Castroville Internet Providers
The table below shows average customer ratings from customers in Castroville, California, and customers throughout the country.
| ISP / Tech Type | Castroville Overall | California Overall | National Overall | 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 | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| AT&T | (0) | (119) | (1051) | View Plans | ||
| Spectrum | (0) | (228) | (1949) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| Razzolink | (0) | (0) | (0) | View Plans | ||
| GeoLinks | (0) | (0) | (0) | View Plans | ||
| Cruzio Internet | (0) | (0) | (0) | View Plans |
Customer Ratings for Internet Provider Speeds in Castroville
Based on data reported by Castroville ISPs to the FCC, the fastest speeds in the city are available through Spectrum. The company offers speeds up to 1,000 Mbps in Castroville. Therefore, the average customer can get up to 1,000 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 | Castroville Speed | California Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| 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 | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| Razzolink | (0) | (0) | (0) | View Plans | ||
| GeoLinks | (0) | (0) | (0) | View Plans | ||
| Cruzio Internet | (0) | (0) | (0) | View Plans |
Who is the Cheapest Internet Provider in Castroville?
Of the providers in Castroville, customers rate T-Mobile Home Internet the best for price. Data comes from customers rating their satisfaction with pricing: in Castroville 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 Castroville, California, and the United States rated the affordability of their internet service.
Rated Affordability in Castroville
| ISP / Tech Type | Castroville 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 | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| AT&T | (0) | (119) | (1051) | View Plans | ||
| Spectrum | (0) | (228) | (1949) | View Plans | ||
| Etheric Networks | (0) | (0) | (0) | View Plans | ||
| Razzolink | (0) | (0) | (0) | View Plans | ||
| GeoLinks | (0) | (0) | (0) | View Plans | ||
| Cruzio Internet | (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 Castroville?
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 Castroville is T-Mobile Home Internet.
- The fastest internet provider should be Spectrum. 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 Castroville is T-Mobile Home Internet.
- Viasat, RAZZOLINK, and HughesNet has the broadest coverage in Castroville, available to 99.9% 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.
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