Wisconsin Costcos

Middleton

2150 Deming Way

Middleton, WI 53562

608.824.3950

Pewaukee

443 Pewaukee Road

Pewaukee, WI 53072

262.956.6700

Sun Praire

2850 Hoepker Road

Sun Praire, WI 53590

608.825.4001

Bellevue (Green Bay)

2355 Costco Way

Bellevue, WI 54311

920.469.5700

Grafton

950 Port Washington Road

Grafton, WI 53024

262.204.1050