7 Best Internet Providers in 57257, SD
Find internet availability by address in 57257, SD
Jump to: Best Internet Provider | Availability Maps | Customer Reviews | 57257 ISP Report Card | Business Internet in 57257
| 57257 ISP Report Card | C | |
| Download Speed for Most Households | 1,470 Mbps | |
| Number of Internet Service Providers | 7 | |
| Real 57257 Customer Ratings | 0 |
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.
57257 has 7 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber and Fixed Wireless internet are available in the zip. Reviews are grouped by provider and the type of service they offer, covering all 2 available internet technologies in 57257.
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57257 has 7 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber and Fixed Wireless internet are available in the zip. Reviews are grouped by provider and the type of service they offer, covering all 2 available internet technologies in 57257.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
RC Technologies
Connection
Customer Rating
Fiber
ITC
Connection
Customer Rating
Fiber
Park Region Telephone Company
Connection
Customer Rating
Fiber
EarthLink
Connection
Customer Rating
Fixed Wireless
Above are the top 4 providers in 57257, SD for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your zip.
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 57257 ratings may vary and are shown below.
Who is the Best Internet Provider in 57257, SD?
RC Technologies is the best internet provider in 57257 based on South Dakota customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, RC Technologies had the best reviews at the local, state, and national levels versus all available providers in 57257, making it a solid recommendation among providers with reviews. RC Technologies is an option for 92.28% of the zip.
The chart and table below show average customer ratings from customers in 57257, South Dakota, and customers throughout the country.
Top Rated Internet Providers in 57257
Local, State, and National Ratings for all 57257 Internet Providers
| ISP / Tech Type | 57257 Overall | South Dakota Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| AT&T | (0) | (3) | (924) | View Plans | ||
| ITC | (0) | (6) | (6) | View Plans | ||
| RC Technologies | (0) | (1) | (1) | View Plans | ||
| Verizon | (0) | (2) | (723) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| T-Mobile Home Internet | (0) | (0) | (284) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans | ||
| Park Region Telephone Company | (0) | (0) | (0) | View Plans |
Based on 13 reviews from South Dakota internet customers, RC Technologies is the best internet service provider for 57257 residents. RC Technologies was rated at an average of 4.00 out of 5 in our report for overall customer satisfaction. AT&T wins for second-place in South Dakota, with 4.67 out of 5 stars and 8.5% coverage in 57257.
At a national level, based on 1979 national reviews for any of the providers listed above, Interstate Telecommunications Cooperative is rated higher than any other provider, with a rating of 4.40 out of 5.
Which Providers are Available at my Home in 57257?
a different provider.

Internet Availability Key
Speeds and coverage vary within the zip, 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 57257?
Based on both FCC data and unbiased customer ratings in 57257, the fastest internet in the zip comes from RC Technologies.
Data Reported to FCC by ISPs: Average Maximum Available in 57257
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| RC Technologies | 1,500 Mbps | ||
| Interstate Telecommunications Cooperative | 1,000 Mbps | ||
| Verizon | 300 Mbps | ||
| Park Region Telephone Company | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| EarthLink | 25 Mbps | ||
| AT&T | 25 Mbps | ||
| T-Mobile Home Internet | 25 Mbps | ||
| HughesNet | 25 Mbps |
Customer Ratings for Internet Provider Speeds in 57257
| ISP / Tech Type | 57257 Speed | South Dakota Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| RC Technologies | (0) | (1) | (1) | View Plans | ||
| AT&T | (0) | (3) | (924) | View Plans | ||
| ITC | (0) | (6) | (6) | View Plans | ||
| Verizon | (0) | (2) | (723) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| T-Mobile Home Internet | (0) | (0) | (284) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans | ||
| Park Region Telephone Company | (0) | (0) | (0) | View Plans |
Based on data reported by 57257 ISPs to the FCC, the fastest speeds in the zip are available through RC Technologies. The company offers speeds up to 1,500 Mbps in 57257. Therefore, the average customer can get up to 1,500 Mbps if they're willing to purchase the fastest subscription tier available at their homes.
However, actual customers in the zip rated their satisfaction with internet speed highest with RC Technologies. This indicates RC Technologies reliably delivers speeds expected by the customer based on the plan they are paying for.
Who is the Cheapest Internet Provider in 57257?
South Dakota customers rate RC Technologies 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.
RC Technologies received a local rating of 4.00 out of 5, which is lower than the average across all internet providers in the country. AT&T is rated in second place for affordability by the company’s 57257 customers with an average price rating of 4.00 out of 5.
The chart and graph below show how customers in 57257, South Dakota, and the United States rated the affordability of their internet service.
Rated Affordability in 57257
| ISP / Tech Type | 57257 Affordability | South Dakota Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| RC Technologies | (0) | (1) | (1) | View Plans | ||
| AT&T | (0) | (3) | (924) | View Plans | ||
| ITC | (0) | (6) | (6) | View Plans | ||
| Verizon | (0) | (2) | (723) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| T-Mobile Home Internet | (0) | (0) | (284) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans | ||
| Park Region Telephone Company | (0) | (0) | (0) | View Plans |
57257 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 zip 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 57257 below, including the metrics used and how 57257 compares to the rest of South Dakota and nation.
| Metric
(hover for details)
|
57257 | South Dakota | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in 57257 that have a Fiber internet connection available to their home. | 95.52% | 60.99% | 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. | 1,470 Mbps | 1,953 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 57257. | 1.6 | 5.3 | 6.8 |
| Average Household SizeA larger household size in a zip indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion. | 3.0 | 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. | 6% | 10% | 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. | 84% | 94% | 95% | ||
| Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives. | 72% | 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. | 63% | 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. | 66% | 76% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
57257 ISP Report Card & Digital Connectivity Index
The ISP Report Card in 57257 is C, which is comparable to other zip codes. The local demand for broadband internet connectivity in 57257 is high with a score of 42 / 100 in our Digital Connectivity Index. This means that internet service providers operating in 57257 have done a average job meeting the needs of its residents.
The 57257 ISP Report Card evaluates the zip on availability and speed metrics compared to other zip codes in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a zip 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.
72% of 57257 households have an internet connection despite having 95.52% availability. 63% of households have fiber, cable, or DSL, 4% have satellite, 1% are still on dial-up, and 4% 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 63% of households have a broadband connection such as fiber, cable or DSL available to their home, 66% subscribe to it. A moderate amount of 57257 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 Zip Codes Compare to 57257?
- ISP Report Card: C+
- Digital Connectivity Index: 51 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 43 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 46 / 100
How Much Speed does a 57257 Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in 57257 is 3.0, which is larger than the South Dakota average of 2.5 and larger than the national average of 2.7. 57257's average household income is $60,194 which is lower than the South Dakota average of $76,929 and lower than the national average of $90,606. Homes with more people living in them and with lower incomes tend to indicate a fairly average device usage pattern.
57257 also has 11% of its population enrolled in school between the 6th grade and college level, this is lower than the South Dakota average of 15%. Additionally, 6% of residents work from home, which is lower than the 10% of residents in South Dakota who work from home. This and other factors you can see above show us that the community of 57257 has a low need for internet connectivity and speeds.
Compared to the rest of the country, 57257 households are much more technology-disengaged. 84% of households have some sort of computing device, 67% have desktops or laptops in the home, and 80% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in 57257?
RC Technologies Fiber in 57257, SD
RC Technologies offers Fiber service to 92.3% of 57257 homes. Across the zip, RC Technologies Fiber is the only type of service available from the company, with speeds up to 1,500 Mbps
ITC Fiber in 57257, SD
Interstate Telecommunications Cooperative offers Fiber service to 13.2% of 57257 homes. Across the zip, ITC Fiber is the only type of service available from the company, with speeds up to 1,000 Mbps
Park Region Telephone Company Fiber in 57257, SD
Park Region Telephone Company offers Fiber service to 1.7% of 57257 homes. Across the zip, Park Region Telephone Company Fiber is the only type of service available from the company, with speeds up to 100 Mbps
Which Cable Internet Providers are Available in 57257?
According to the most recently submitted data by internet service providers to the FCC, there are currently no cable providers available in 57257, SD.
Which DSL Internet Providers are Available in 57257?
According to the most recently submitted data by internet service providers to the FCC, there are currently no DSL providers available in 57257, SD.
Which Fixed Wireless and LTE Internet Providers are Available in 57257?
T-Mobile Home Internet Fixed Wireless in 57257, SD
T-Mobile Home Internet offers Fixed Wireless service to 20.2% of 57257 homes. Across the zip, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps
Verizon Fixed Wireless in 57257, SD
Verizon offers Fixed Wireless service to 11.3% of 57257 homes. Across the zip, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
EarthLink Fixed Wireless in 57257, SD
EarthLink offers Fixed Wireless service to 8.5% of 57257 homes. Across the zip, EarthLink Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps
AT&T Fixed Wireless in 57257, SD
AT&T offers Fixed Wireless service to 8.5% of 57257 homes. Across the zip, AT&T Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps
Which ISP Should You Choose in 57257?
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 57257 is RC Technologies.
- The fastest internet provider should be RC Technologies. Considering speed for the money and reliability in speeds, RC Technologies may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in 57257 is RC Technologies.
- RC Technologies, HughesNet, and Viasat has the broadest coverage in 57257, 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 57257 compare to other cities with a similar population?
To see how 57257 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 57257's C ISP Report Card and 42 / 100 Digital Connectivity Index.
- ISP Report Card: D
- Digital Connectivity Index: 33 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 50 / 100
- ISP Report Card: D-
- Digital Connectivity Index: 39 / 100
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