Cities: Denison, Gunter, Pottsboro, Sherman, Bells, Howe, Tom Bean, Whitewright, Van Alstyne, Collinsville, Gordonville, Sadler, Southmayd, Tioga, Whitesboro
Zip Codes: 75020, 75021, 75058, 75076, 75090, 75091, 75092, 75414, 75459, 75489, 75491, 75495, 76233, 76245, 76264, 76268, 76271, 76273
Population: 146,907