Utility Providers in Isabel, South Dakota 57633

Dewey County · 3 utility types covered · Updated May 2026

This area is served by 12 utility providers across 3 categories.

Utility rates in ZIP 57633 vs. US average

Natural gas
$9.32/Mcf
↓ 36% below US average
Local electricity rate from NREL Utility Rate Database (2023). State and US electric averages from EIA Form 861 (2024). Natural gas prices from EIA Form 176 (2024). US avg: 16.5¢/kWh · $14.50/Mcf.

Typical monthly utility bills in ZIP 57633

Electricity$200-$249
Natural gas$200-$249
Water & sewer~$43/month

Figures from U.S. Census ACS 5-year estimates, reflecting households that pay utilities separately from rent. In dense urban areas where heat or hot water is often included in rent, these numbers represent the subset of residents who pay directly.

Search any address for detailed utility information →

Water

T C & G RURAL WATER SYSTEM
TRI-COUNTY RURAL WATER SYSTEM

Sewer

ISABEL WASTEWATER FACILITY

Internet

AT&T
Fixed Wireless up to 30 Mbps
CRST Telephone Authority
Fiber up to 250 Mbps
SDN Communications
Fiber up to 100 Mbps
Standing Rock Telecom
Fixed Wireless up to 10 Mbps
Verizon
Fixed Wireless up to 50 Mbps
West River Cooperative Telephone Company
Fiber up to 250 Mbps

Nearby ZIP codes

Frequently asked questions

How do I set up utilities when moving to 57633?

Contact each provider separately before your move-in date. 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 57633?

Isabel, SD has strong broadband coverage. Providers include AT&T (Fixed Wireless up to 30 Mbps), CRST Telephone Authority (Fiber up to 250 Mbps), SDN Communications (Fiber up to 100 Mbps), Standing Rock Telecom (Fixed Wireless up to 10 Mbps), Verizon (Fixed Wireless up to 50 Mbps). Availability varies by street address. Based on FCC Broadband Data Collection filings.

What county is 57633 in?

ZIP code 57633 is in Dewey 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.