9 Best Internet Providers in Castalia, OH
Find internet availability by address in Castalia, OH
Jump to: Best Internet Provider | Availability Maps | Customer Reviews | Castalia ISP Report Card | Business Internet in Castalia
| Castalia ISP Report Card | A | |
| Download Speed for Most Households | 9,775 Mbps | |
| Number of Internet Service Providers | 9 | |
| Real Castalia Customer Ratings | 4 |
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
Castalia 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 Castalia.
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Castalia 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 Castalia.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
Buckeye
Connection
Customer Rating
Fiber
Cable
EarthLink
Connection
Customer Rating
DSL
Fixed Wireless
AT&T
Connection
Customer Rating
DSL
Fixed Wireless
Amplex Internet
Connection
Customer Rating
DSL
Fixed Wireless
Above are the top 4 providers in Castalia, OH for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your city.
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 Castalia ratings may vary and are shown below.
Who is the Best Internet Provider in Castalia, OH?
T-Mobile Home Internet is the best internet provider in Castalia based on Ohio 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 Castalia, making it a solid recommendation among providers with reviews. T-Mobile Home Internet is an option for 99.83% of the city.
Click here to get T-Mobile Home Internet
or call 1-833-601-2935
The chart and table below show average customer ratings from customers in Castalia, Ohio, and customers throughout the country.
Top Rated Internet Providers in Castalia
Local, State, and National Ratings for all Castalia Internet Providers
| ISP / Tech Type | Castalia Overall | Ohio Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (2) | (13) | (284) | View Plans | ||
| Buckeye | (2) | (23) | (25) | View Plans | ||
| Verizon | (0) | (6) | (723) | View Plans | ||
| AT&T | (0) | (49) | (924) | View Plans | ||
| Amplex Internet | (0) | (3) | (3) | View Plans | ||
| Spectrum | (0) | (178) | (1738) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans | ||
| North Coast Wireless Communications | (0) | (0) | (0) | View Plans | ||
| Community Fiber Solutions | (0) | (0) | (0) | View Plans |
Based on 273 reviews from Ohio internet customers, T-Mobile Home Internet is the best internet service provider for Castalia residents. T-Mobile Home Internet was rated at an average of 4.69 out of 5 in our report for overall customer satisfaction. Buckeye Broadband wins for second-place in Ohio, with 3.50 out of 5 stars and 97.4% coverage in Castalia.
At a national level, based on 3738 national reviews for any of the providers listed above, Amplex Internet is rated higher than any other provider, with a rating of 2.88 out of 5.
Which Providers are Available at my Home in Castalia?
a different provider.

Internet Availability Key
Speeds and coverage vary within the city, and sometimes even from block to block. The map shows speeds per provider and where each provider is available.
Who is the Fastest Internet Provider in Castalia?
According to unbiased feedback from real internet customers in the city, 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, Buckeye Broadband 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 Castalia
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| Buckeye Broadband | 10,000 Mbps | ||
| Spectrum | 1,000 Mbps | ||
| Community Fiber Solutions (CFS) | 400 Mbps | ||
| Verizon | 300 Mbps | ||
| North Coast Wireless Communications | 200 Mbps | ||
| AT&T | 100 Mbps | ||
| EarthLink | 100 Mbps | ||
| Amplex Internet | 100 Mbps | ||
| T-Mobile Home Internet | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| HughesNet | 25 Mbps |
Customer Ratings for Internet Provider Speeds in Castalia
| ISP / Tech Type | Castalia Speed | Ohio Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (2) | (13) | (284) | View Plans | ||
| Buckeye | (2) | (23) | (25) | View Plans | ||
| Verizon | (0) | (6) | (723) | View Plans | ||
| Amplex Internet | (0) | (3) | (3) | View Plans | ||
| Spectrum | (0) | (178) | (1738) | View Plans | ||
| AT&T | (0) | (49) | (924) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans | ||
| North Coast Wireless Communications | (0) | (0) | (0) | View Plans | ||
| Community Fiber Solutions | (0) | (0) | (0) | View Plans |
Based on data reported by Castalia ISPs to the FCC, the fastest speeds in the city are available through Buckeye Broadband. The company offers speeds up to 10,000 Mbps in Castalia. 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 in the city 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.
Who is the Cheapest Internet Provider in Castalia?
Ohio customers rate Buckeye Broadband as the cheapest internet service provider in state. Data comes from customers in the state rating their satisfaction with pricing. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
Buckeye Broadband received a local rating of 3.50 out of 5, which is much lower than the average across all internet providers in the country. T-Mobile Home Internet is rated in second place for affordability by the company’s Castalia customers with an average price rating of 3.50 out of 5.
The chart and graph below show how customers in Castalia, Ohio, and the United States rated the affordability of their internet service.
Rated Affordability in Castalia
| ISP / Tech Type | Castalia Affordability | Ohio Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (2) | (13) | (284) | View Plans | ||
| Buckeye | (2) | (23) | (25) | View Plans | ||
| Verizon | (0) | (6) | (723) | View Plans | ||
| Amplex Internet | (0) | (3) | (3) | View Plans | ||
| AT&T | (0) | (49) | (924) | View Plans | ||
| Spectrum | (0) | (178) | (1738) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans | ||
| North Coast Wireless Communications | (0) | (0) | (0) | View Plans | ||
| Community Fiber Solutions | (0) | (0) | (0) | View Plans |
Castalia Internet Health Assessment
ISP Reports evaluates the technological infrastructure across the United States. This includes assessing a grade for ISP providers and infrastructure in the city and setting an index number for the digital connectivity of its residents. You can view the ISP Report Card and the Digital Connectivity Index for Castalia below, including the metrics used and how Castalia compares to the rest of Ohio and nation.
| Metric
(hover for details)
|
Castalia | Ohio | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in Castalia that have a Fiber internet connection available to their home. | 97.42% | 61.58% | 67.25% | ||
| Average Download SpeedThe maximum download speed most households can get on average. This is measured by availability in a block group and weighted by the population in that area. | 9,775 Mbps | 2,747 Mbps | 3,293 Mbps | ||
| Provider CountThe number of providers available for most people. This is a weighted average by block rather than a total for Castalia. | 8.7 | 7.0 | 6.8 |
| Average Household SizeA larger household size in a city indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion. | 2.5 | 2.5 | 2.7 | ||
| Work From Home PercentA higher percent of the population working from home indicates bandwidth requirements being more widely needed rather than consolidated to commercial portions of the city. | 3% | 12% | 14% | ||
| Households with DevicesA higher percentage of households with computing devices in the home indicates a higher level of infrastructure needed to support those households. | 89% | 94% | 95% | ||
| Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives. | 88% | 89% | 90% | ||
| Households with BroadbandA higher percentage of households with a broadband connection (defined as speeds above 25 Mbps) indicates heavier usage needs within these households. | 74% | 75% | 75% | ||
| Broadband Usage vs. AvailabilityThis measures what percentage of households who have a broadband connection to their home actually have an active subscription to that service. | 75% | 76% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Castalia ISP Report Card & Digital Connectivity Index
The ISP Report Card in Castalia is A, which is better than other cities. The local demand for broadband internet connectivity in Castalia is high with a score of 49 / 100 in our Digital Connectivity Index. This means that internet service providers operating in Castalia have done a average job meeting the needs of its residents.
The Castalia ISP Report Card evaluates the city on availability and speed metrics compared to other cities in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a city needs. Please see our ISP Report Card along with the Digital Connectivity Index above to evaluate how well the connectivity demand is met by the existing infrastructure.
88% of Castalia households have an internet connection despite having 99.83% availability. 74% of households have fiber, cable, or DSL, 9% have satellite, 0% are still on dial-up, and 2% of households have internet but don’t pay for a subscription because it’s subsidized by the Affordable Connectivity Program.
As you can see in the table above, while 74% of households have a broadband connection such as fiber, cable or DSL available to their home, 75% subscribe to it. A large amount of Castalia residents are taking advantage of the available internet infrastructure.
For more details, please visit our ISP Report Card and Digital Connectivity Index pages.
How do Neighboring Cities Compare to Castalia?
- ISP Report Card: B+
- Digital Connectivity Index: 39 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 24 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 36 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 60 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 34 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 18 / 100
- ISP Report Card: A
- Digital Connectivity Index: 44 / 100
- ISP Report Card: B
- Digital Connectivity Index: 42 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 42 / 100
How Much Speed does a Castalia Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in Castalia is 2.5, which is larger than the Ohio average of 2.5 and smaller than the national average of 2.7. Castalia's average household income is $77,872 which is higher than the Ohio average of $80,507 and higher than the national average of $90,606. Homes with fewer people living in them and with higher incomes tend to indicate a fairly average device usage pattern.
Castalia also has 9% of its population enrolled in school between the 6th grade and college level, this is lower than the Ohio average of 15%. Additionally, 3% of residents work from home, which is lower than the 12% of residents in Ohio who work from home. This and other factors you can see above show us that the community of Castalia has an average need for internet connectivity and speeds.
Compared to the rest of the country, Castalia households are more technology-disengaged. 89% of households have some sort of computing device, 79% have desktops or laptops in the home, and 85% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in Castalia?
Buckeye Fiber in Castalia, OH
Buckeye Broadband offers Fiber service to 97.4% of Castalia homes. Across the city, Buckeye Fiber has speeds up to 10,000 Mbps
Which Cable Internet Providers are Available in Castalia?
Buckeye Cable in Castalia, OH
Buckeye Broadband offers Cable service to 69.9% of Castalia homes. Across the city, Buckeye Cable has speeds up to 1,000 Mbps
Spectrum Cable in Castalia, OH
Spectrum offers Cable service to 3.8% of Castalia homes. Across the city, Spectrum Cable is the only type of service available from the company, with speeds up to 1,000 Mbps
Which DSL Internet Providers are Available in Castalia?
EarthLink DSL in Castalia, OH
EarthLink offers DSL service to 73.1% of Castalia homes. Across the city, EarthLink DSL has speeds up to 10 Mbps
AT&T DSL in Castalia, OH
AT&T offers DSL service to 73.1% of Castalia homes. Across the city, AT&T DSL has speeds up to 10 Mbps
Amplex Internet DSL in Castalia, OH
Amplex Internet offers DSL service to 7.6% of Castalia homes. Across the city, Amplex Internet DSL has speeds up to 100 Mbps
Which Fixed Wireless and LTE Internet Providers are Available in Castalia?
T-Mobile Home Internet Fixed Wireless in Castalia, OH
T-Mobile Home Internet offers Fixed Wireless service to 99.8% of Castalia homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 82 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 16 Mbps throughout the city.
Amplex Internet Fixed Wireless in Castalia, OH
Amplex Internet offers Fixed Wireless service to 99.4% of Castalia homes. Across the city, Amplex Internet Fixed Wireless has speeds up to 100 Mbps
Community Fiber Solutions Fixed Wireless in Castalia, OH
Community Fiber Solutions (CFS) offers Fixed Wireless service to 98.2% of Castalia homes. Across the city, Community Fiber Solutions Fixed Wireless is the only type of service available from the company, with speeds up to 400 Mbps
North Coast Wireless Communications Fixed Wireless in Castalia, OH
North Coast Wireless Communications offers Fixed Wireless service to 96.2% of Castalia homes. Across the city, North Coast Wireless Communications Fixed Wireless is the only type of service available from the company, with speeds up to 26 Mbps, with speeds from 25 Mpbs up to 200 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 100, with an average of 3.8 Mbps throughout the city.
Verizon Fixed Wireless in Castalia, OH
Verizon offers Fixed Wireless service to 93.8% of Castalia homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
EarthLink Fixed Wireless in Castalia, OH
EarthLink offers Fixed Wireless service to 27.0% of Castalia homes. Across the city, EarthLink Fixed Wireless has speeds up to 25 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 3.1 Mbps throughout the city.
AT&T Fixed Wireless in Castalia, OH
AT&T offers Fixed Wireless service to 27.0% of Castalia homes. Across the city, AT&T Fixed Wireless has speeds up to 25 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 3.1 Mbps throughout the city.
Which ISP Should You Choose in Castalia?
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 Castalia is T-Mobile Home Internet.
- The fastest internet provider should be Buckeye Broadband. 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 Castalia is Buckeye.
- T-Mobile Home Internet, Viasat, and HughesNet has the broadest coverage in Castalia, and is most likely to cover your home. To find out exactly what's available at your home, please use our address search tool.
How does Castalia compare to other cities with a similar population?
To see how Castalia stacks up on the national level, it's useful to look at some other cities with similarly sized populations. Below you can see a list of these cities and how they compare to Castalia's A ISP Report Card and 49 / 100 Digital Connectivity Index.
- ISP Report Card: D
- Digital Connectivity Index: 33 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 49 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 30 / 100
- ISP Report Card: B
- Digital Connectivity Index: 76 / 100
- ISP Report Card: B
- Digital Connectivity Index: 68 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 83 / 100
- ISP Report Card: B
- Digital Connectivity Index: 90 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 35 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 59 / 100
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