Media Matters of America Claim Listing Return to Directory Rating (average) (0) Business Genre Misc, Publishing Business Website Address mediamatters.org Business Address, City 1625 Massachusetts Ave NW # 30, Washington ZIP Code 20036 Business Phone Number 2027564100 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?