ZIP code 96857 is located in Honolulu County, Hawaii. This area is served by 36 utility providers across 5 categories. The average residential electricity rate here is 43.2¢/kWh.
Estimated monthly utility costs
Cost data not available for this ZIP code.
Electric
Natural Gas
Water
Sewer
Internet
Nearby ZIP codes
Frequently asked questions
How do I set up utilities when moving to 96857?
Contact each provider separately before your move-in date. Start with electric (Hawaiian Electric Co Inc) and gas (Hawaii Gas, (808) 535-5933) 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.
Is electricity expensive in 96857?
Electricity in ZIP code 96857 costs about 188% more than the national average. Based on 2023 NREL residential electricity rate data.
What internet providers are available in 96857?
ZIP code 96857 has broadband coverage. Providers include Spectrum (Cable up to 1,000 Mbps), T-Mobile (Fixed Wireless up to 100 Mbps). Availability varies by street address. Based on FCC Broadband Data Collection filings.
What county is 96857 in?
ZIP code 96857 is in Honolulu County, Hawaii.
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. Electric rates are based on 2023 NREL data. 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: April 2026.