Coverage · ZIP 57030
Internet Providers in Garretson, SD (57030)
There are 11 internet providers available in Garretson, SD (ZIP 57030), including Alliance Communications Cooperative, Golden West Telecommunications, Rock County Broadband Alliance. Compare each provider below by technology, maximum advertised speed, and area coverage, then call (833) 261-0564 for help choosing a plan. Coverage data is sourced from the FCC National Broadband Map.
Internet providers in Garretson, SD (ZIP 57030)
There are 11 residential internet providers available in Garretson, SD (ZIP 57030), including Alliance Communications Cooperative, Golden West Telecommunications, Rock County Broadband Alliance. The table below lists each provider with its technology type, maximum advertised speeds, and area coverage, sourced from the FCC National Broadband Map.
| Provider | Technology | Max download | Max upload | Area coverage |
|---|---|---|---|---|
| Alliance Communications Cooperative | Fiber | 1 Gbps | 1 Gbps | 71% |
| Golden West Telecommunications | Fiber | 1 Gbps | 1 Gbps | 4% |
| Rock County Broadband Alliance | Fiber | 1 Gbps | 1 Gbps | 1% |
| Verizon 5G Home | 5G Home Internet | 300 Mbps | 20 Mbps | 39% |
| T-Mobile Home Internet | 5G Home Internet | 100 Mbps | 20 Mbps | 27% |
| AT&T Internet Air | 5G Home Internet | 100 Mbps | 20 Mbps | 22% |
| Midco | 5G Home Internet | 100 Mbps | 20 Mbps | 22% |
| Starlink | Satellite | 280 Mbps | 30 Mbps | 100% |
| Viasat | Satellite | 150 Mbps | 3 Mbps | 100% |
| HughesNet | Satellite | 100 Mbps | 5 Mbps | 100% |
| CenturyLink | DSL | 60 Mbps | 5 Mbps | 2% |
Internet in Garretson, SD — common questions
How many internet providers are available in Garretson, SD?
There are 11 internet providers available in Garretson, SD (ZIP 57030), including Alliance Communications Cooperative, Golden West Telecommunications, Rock County Broadband Alliance. Availability varies by exact address.
What is the fastest internet available in 57030?
Alliance Communications Cooperative offers the highest advertised download speed in Garretson, SD at up to 1 Gbps. Actual speeds depend on the plan and your address.
How do I check internet availability at my address in Garretson, SD?
Enter your ZIP code on Ziatan to see every provider serving your block, then call (833) 261-0564 for help comparing plans and pricing — free, with no signup required.