ZIP code 11798 covers Wyandanch, New York in Suffolk County. This area is served by 32 utility providers across 4 categories. The average residential electricity rate here is 17.4¢/kWh.
Estimated monthly utility costs
Cost data not available for this ZIP code.
Electric
Natural Gas
Water
Internet
Nearby ZIP codes
Frequently asked questions
How do I set up utilities when moving to 11798?
Contact each provider separately before your move-in date. Start with electric (Fishers Island Utility Co Inc) and gas (National Grid, (781) 907-1000) 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 11798?
Electricity in Wyandanch, NY costs about 16% more than the national average. Compared to New York overall, rates here are about 11% higher. Based on 2023 NREL residential electricity rate data.
What internet providers are available in 11798?
Wyandanch, NY has strong broadband coverage. Providers include Lightpath (Fiber up to 10,000 Mbps), Optimum (Fiber / Cable up to 8,000 Mbps), T-Mobile (Fixed Wireless up to 100 Mbps), Verizon (Fiber / Fixed Wireless up to 2,048 Mbps). Availability varies by street address. Based on FCC Broadband Data Collection filings.
What county is 11798 in?
ZIP code 11798 is in Suffolk County, New York.
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.