ZIP code 57776 is located in Harding County, South Dakota.
Utility rates in ZIP 57776 vs. US average
Electric
Water
Internet
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Frequently asked questions
How do I set up utilities when moving to 57776?
Contact each provider separately before your move-in date. Start with electric (Montana-Dakota Utilities Co) since those typically need a few business days to activate. Water and sewer are often handled with one call to your local utility. Set up internet last since it may require an installation visit.
What internet providers are available in 57776?
ZIP code 57776 has broadband coverage. Providers include Verizon (Fixed Wireless up to 50 Mbps), West River Cooperative Telephone Company (Fiber up to 250 Mbps). Availability varies by street address. Based on FCC Broadband Data Collection filings.
What county is 57776 in?
ZIP code 57776 is in Harding County, South Dakota.
Disclaimer: Provider information is sourced from federal databases including HIFLD, EPA SDWIS, FCC Broadband Data, and EIA-861. Utility cost estimates are from the U.S. Census Bureau American Community Survey 5-Year Estimates. Local electric rates are based on 2023 NREL Utility Rate Database data; state and US averages are from EIA Form 861 (2024). Coverage areas are approximate and may not reflect recent changes. Please verify directly with your provider.
Data sources: U.S. Census Bureau, NREL, EIA-861, HIFLD, EPA, FCC. Last updated: May 2026.