The Chamber of Commerce of Southwest Indiana has a main office located in The Old Post Office Building in Downtown Evansville and an office in Posey County located in Mount Vernon.

Main Office: 318 Main Street, Suite 401
Evansville, IN 47708
Phone: 812.425.8147
Fax: 812.421.5883

Posey County Office: 915 E 4th St
Mount Vernon, IN 47620
Phone: 812.838.3639

Web Site: www.ccswin.com
E-mail: chamberinfo@ccswin.com