ZIP 79331 is in Dawson County and Martin County and Borden County and Gaines County, and the cheapest plan at 1,000 kWh a month on Oncor there is AP GAS & ELECTRIC (TX) LLC Simple Saver 3 at 6.2¢/kWh (19.1¢/kWh at 500 kWh, 12.2¢/kWh at 2,000 kWh; a bill credit or minimum-usage fee applies), as listed on Power to Choose on 2026-11-13.
OpenStream is not yet registered as a broker with the PUCT and earns nothing from any retailer. How we are paid.
Counties from the Census 2020 ZCTA-to-county file (largest land share first); utilities from EIA-861 2024 Service Territory, both read 2026-11-06.
The Census records Lamesa, Los Ybanez in ZIP 79331, in Dawson County and Martin County and Borden County and Gaines County.
Which counties it is in and which delivery utilities serve them.