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DSDownloadSpeed
FCC Data · Updated April 2026
A

Best Internet in Clark, SD

1000 Mbps avg · 6 ZIP codes · 100% fiber · 10 providers/ZIP

1000
Avg Mbps
1,000
Max Mbps
100%
Fiber Access
10
Avg Providers
Providers

Internet Providers in Clark

ProviderZIP Codes Served% of Area
Celerity Broadband LLC6100%
Golden West Telecommunications6100%
Midcontinent Communications6100%
T-Mobile6100%
Rise Broadband6100%
CenturyLink6100%
Venture Communications Cooperative, INC6100%
Interstate Telecommunications Cooperative, INC.6100%
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ZIP Codes in Clark

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FAQ

Frequently Asked Questions

What is the average internet speed in Clark, SD?

Clark, South Dakota has an average maximum download speed of 1000 Mbps across 6 ZIP codes. The fastest available speed is 1000 Mbps. 100% of ZIP codes have fiber internet.

Who are the best internet providers in Clark?

The most widely available providers in Clark are Celerity Broadband LLC (6 ZIPs), Golden West Telecommunications (6 ZIPs), Midcontinent Communications (6 ZIPs). Check individual ZIP codes for exact availability at your address.

Is fiber internet available in Clark?

Yes, fiber internet is available in 100% of Clark's ZIP codes. Fiber coverage is good in this area. Search your specific ZIP code for exact fiber availability.

How does Clark compare to the rest of South Dakota?

Clark has an average Broadband Grade of A (100/100). The Clark area averages 10 providers per ZIP code with 100% fiber access. Check the South Dakota overview for statewide comparison.