Fairview

ZIP Code(s): 37062; County(s): Williamson;

Carterville

ZIP Code(s): 62918; County(s): Williamson;

Round Rock

ZIP Code(s): 78681, 78664, 78665, 78682, 78683; County(s): Williamson, Travis;

Leander

ZIP Code(s): 78641, 78646; County(s): Williamson;

Bartlett

ZIP Code(s): 76511; County(s): Williamson, Bell;

Austin

ZIP Code(s): 78749, 78748, 78741, 78742, 78745, 78744, 78747, 78746, 78717, 78712, 78719, 78617, 78739, 78735, 78730, 78731, 78732, 78733, 78705, 78704, 78701, 78703, 78702, 78758, 78759, 78752, 78753, 78750, 78751, 78756, 78757, 78754, 78652, 78723, 78722, 78721, 78727, 78726, 78725, 78724, 78729, 78728, 73301, 73344, 78651, 78680, 78708, 78709, 78710, 78711, 78713, 78714, 78715, 78718, 78720, 78755, 78760, 78761, 78762, 78763, 78765, 78766, 78767, 78768, 78772, 78773, 78774, 78778, 78779, 78783, 78799; County(s): Travis, Williamson, Hays;

Florence

ZIP Code(s): 76527; County(s): Williamson;

Herrin

ZIP Code(s): 62948, 62933; County(s): Williamson;

Pittsburg

ZIP Code(s): 62974; County(s): Williamson;

Granger

ZIP Code(s): 76530; County(s): Williamson;

Spring Hill

ZIP Code(s): 37174, 37179; County(s): Maury, Williamson;

Brentwood

ZIP Code(s): 37027, 37024; County(s): Williamson;

Georgetown

ZIP Code(s): 78633, 78626, 78628, 78627; County(s): Williamson;

Thrall

ZIP Code(s): 76578; County(s): Williamson;

Serenada

ZIP Code(s): 78628; County(s): Williamson;

Marion

ZIP Code(s): 62922, 62959; County(s): Williamson;

Franklin

ZIP Code(s): 37069, 37064, 37067, 37065, 37068; County(s): Williamson;

Energy

ZIP Code(s): 62933; County(s): Williamson;