This area is served by 20 utility providers across 4 categories. The average residential electricity rate here is 12.2¢/kWh. 57.6% of households use electricity as their primary heating fuel.
Utility rates in ZIP 37166 vs. US average
Typical monthly utility bills in ZIP 37166
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.
Electric
Water
Sewer
Internet
Nearby ZIP codes
Frequently asked questions
How do I set up utilities when moving to 37166?
Contact each provider separately before your move-in date. Start with electric (Caney Fork Electric Coop, Inc) 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.
How do utility rates in 37166 compare to the national average?
Residential electricity in Smithville, TN averages 12.2¢/kWh, about 26% below the US average of 16.5¢/kWh — but in line with the Tennessee state average of 12.4¢/kWh. Natural gas in Tennessee averages $10.75/Mcf, about 26% below the national average. Actual monthly bills vary by home size, insulation, and season. Local rates from NREL; state and US averages from EIA Form 861 (2024); natural gas prices from EIA Form 176 (2024).
Is electricity expensive in 37166?
No — electricity in Smithville, TN costs about 26% less than the national average. Local rates from NREL (2023); state and US averages from EIA (2024).
What internet providers are available in 37166?
Smithville, TN has strong broadband coverage. Providers include AT&T (Fixed Wireless up to 100 Mbps), Advantage Cellular Systems Inc (Fiber up to 1,000 Mbps), Ben Lomand Connect (Fiber up to 1,000 Mbps), Ben Lomand Rural Telephone Coop Inc (Fiber / DSL up to 1,000 Mbps), DeKalb Telephone Cooperative Inc (Fiber / DSL up to 1,000 Mbps). Availability varies by street address. Based on FCC Broadband Data Collection filings.
What county is 37166 in?
ZIP code 37166 is in Dekalb County, Tennessee.
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.