Randall

Canyon

ZIP Code(s): 79016, 79015; County(s): Randall;

Happy

ZIP Code(s): 79042; County(s): Swisher, Randall;

Amarillo

ZIP Code(s): 79121, 79109, 79101, 79102, 79103, 79104, 79106, 79107, 79118, 79111, 79110, 79114, 79116, 79117, 79120, 79166, 79168, 79172, 79174, 79178, 79189; County(s): Potter, Randall;