Caotun Post Office Nantou Branch 10
No. 606號, Zhongzheng Road, Caotun Township
Caotun Grand Post Office
No. 451, Bo'ai Road, Caotun Township
草屯南埔郵局
No. 286-5號, Zhongzheng Road, Caotun Township
中華郵政 草屯碧山郵局
No. 20號, Bishan South Road, Caotun Township