Koppers Inc Claim Listing Return to Directory Rating (average) (0) Business Genre Manufacturing, Wooden Business Website Address koppers.com Business Address, City PO Box 15490, Little Rock ZIP Code 72231 Business Phone Number 5019454581 Business Fax 5019450597 Ratings There are no reviews yet. Please login to leave a review. Please login to claim this listing. Username*: Email*: Password*: Log in | Lost your password?