Mercer Ranch Claim Listing Return to Directory Rating (average) (0) Business Genre Farm, Ranch Business Website Address mercerr.com Business Address, City 46 Sonova Road, Mattawa ZIP Code 99349 Business Phone Number 5098944773 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? Reader Interactions Leave a Reply Cancel replyYou must be logged in to post a comment.