Service Area

Collin County

Excluding cities of Plano, Richardson, and Wylie

Dallas County

Only cities of Balch Springs, Cockrell Hill, Sachse, Seagoville, and Wilmer

Erath County

Ellis County

Excluding cities of Ennis, Glenn Heights, and Mansfield

Hood County

Hunt County

Johnson County

Excluding cities of Burleson and Mansfield

Kaufman County

Navarro County

Palo Pinto County

Parker County

Excluding city of Azle

Rockwall County

Somervell County

Wise County