UtilityFinder

Utility Providers in Marmarth, North Dakota

Marmarth is served by 8 utility providers across 5 categories covering 1 ZIP code in Slope County.

Slope County · Updated May 2026

Utility rates in Marmarth vs. US average

Electricity
12.4¢/kWh
↓ 25% below US average (16.5¢)
↑ 8% above ND state average (11.5¢)
Natural gas
$8.99/Mcf
↓ 38% below US average
Local electricity rate from NREL Utility Rate Database (2023), averaged across Marmarth-area providers. State and US electric averages from EIA Form 861 (2024). Natural gas prices from EIA Form 176 (2024, $/Mcf). US avg electricity: 16.5¢/kWh · US avg gas: $14.50/Mcf.

Typical monthly utility bills in Marmarth

Electricity$150-$199 (11.0¢–13.7¢/kWh)
Natural gas$150-$199
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.

How Marmarth heats its homes

79%
2%
20%

79% natural gas · 2% electricity · 20% other fuels

Electric rates in Marmarth

Residential rates range from 11.0¢ to 13.7¢ per kWh.

Marmarth
12.3¢/kWh
U.S. avg
16.5¢/kWh

Providers include Montana-Dakota Utilities Co, Roughrider Electric Cooperativ, Slope Electric Coop Inc.

This is 25% below the national average of 16.5¢/kWh.

Internet providers in Marmarth

Marmarth has moderate broadband coverage.

Consolidated Telcom
1,000 Mbps
Fiber
Verizon
300 Mbps
Fixed Wireless
AT&T
30 Mbps
Fixed Wireless

Availability varies by address. Based on FCC Broadband Data Collection filings.

Electric 3 providers

Montana-Dakota Utilities Co
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Roughrider Electric Cooperativ
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Slope Electric Coop Inc
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Natural Gas 1 provider

Montana-Dakota Utilities
(800) 638-3278 · www.montana-dakota.com

Water 1 provider

MARMARTH CITY OF
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Sewer 1 provider

MARMARTH CITY OF
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Internet 3 providers

AT&T
Fixed Wireless up to 30 Mbps
1-800-288-2020 · www.att.com/internet/
Consolidated Telcom
Fiber up to 1,000 Mbps
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Verizon
Fixed Wireless up to 300 Mbps
1-800-837-4966 · www.verizon.com/home/fios/

ZIP codes in Marmarth, ND

58643

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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.