Utility Providers for ZIP Code 20891

2 utility types covered · Updated April 2026

ZIP code 20891 is located in Maryland. This area is served by 8 utility providers across 2 categories. The average residential electricity rate here is 13.3¢/kWh.

Estimated monthly utility costs

Cost data not available for this ZIP code.

Search any address for detailed utility information →

Electric

Baltimore Gas & Electric Co
Potomac Electric Power Co
The Potomac Edison Company

Water

CITY OF ROCKVILLE
FAIRLAND CROSSING APARTMENTS
TOWN OF POOLESVILLE
WASHINGTON SUBURBAN SANITARY COMMISSION
WHITLEY PARK CONDOMINIUMS

Frequently asked questions

How do I set up utilities when moving to 20891?

Contact each provider separately before your move-in date. Start with electric (Baltimore Gas & Electric Co) 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 20891?

No — electricity in ZIP code 20891 costs about 11% less than the national average. Compared to Maryland overall, rates here are about 14% higher. Based on 2023 NREL residential electricity rate data.

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.