Cities Served Addison, Balch Springs, Carrollton, Cedar Hill, Cockrell Hill, Coppell, Dallas (county seat), DeSoto, Duncanville, Farmers Branch, Garland, Glenn Heights, Grand Prairie, Highland Park, Hutchins, Irving, Lancaster, Mesquite, Richardson, Rowlett, Sachse, Seagoville, Sunnyvale, University Park, Wilmer
Fate, Heath, McLendon-Chisholm, Rockwall , Rowlett , Royse City
Caddo Mills, Campbell, Celeste, Commerce (partly in Delta County), Greenville (county seat), Hawk Cove, Josephine (mainly in Collin County), Lone Oak, Quinlan, Royse City ,Union Valley, West Tawakoni, Wolfe City
Zip Codes List 75001, 75006, 75019, 75038, 75039, 75041, 75042, 75043, 75044, 75048, 75050, 75051, 75052, 75060, 75061, 75062, 75063, 75080, 75081, 75082, 75088, 75089, 75098, 75104, 75115, 75116, 75123, 75134, 75137, 75141, 75146, 75149, 75150, 75159, 75172, 75180, 75181, 75182, 75185, 75187, 75201, 75202, 75203, 75204, 75205, 75206, 75207, 75208, 75209, 75210, 75211, 75212, 75214, 75215, 75216, 75217, 75218, 75219, 75220, 75221, 75222, 75223, 75224, 75225, 75226, 75227, 75228, 75229, 75230, 75231, 75232, 75233, 75234, 75235, 75236, 75237, 75238, 75239, 75240, 75241, 75242, 75243, 75244, 75245, 75246, 75247, 75248, 75249, 75250, 75251, 75252, 75253, 75254, 75260, 75261, 75262, 75263, 75264, 75265, 75266, 75267, 75270, 75275, 75277, 75283, 75284, 75285, 75287, 75301, 75303, 75312, 75313, 75315, 75320, 75323, 75326, 75336, 75339, 75342, 75354, 75355, 75356, 75357, 75358, 75359, 75360, 75367, 75370, 75371, 75372, 75373, 75374, 75376, 75378, 75379, 75380, 75381, 75382, 75386, 75387, 75388, 75389, 75390, 75391, 75392, 75393, 75394, 75395, 75396, 75397, 75398 ,75032, 75087, 75088, 75089, 75098, 75126, 75132, 75160, 75189 ,75135, 75160, 75164, 75169, 75189, 75401, 75402, 75403, 75404, 75422, 75423, 75428, 75429, 75432, 75433, 75442, 75453, 75474, 75496 ,75002, 75009, 75013, 75023, 75024, 75025, 75026, 75033, 75034, 75035, 75036, 75048, 75069, 75070, 75071, 75074, 75075, 75078, 75080, 75082, 75086, 75093, 75094, 75098, 75121, 75164, 75166, 75173, 75189, 75252, 75287, 75407, 75409, 75424, 75442, 75454, 75485,75114, 75118, 75126, 75142, 75143, 75147, 75157, 75158, 75159, 75160, 75161
