Itnh Inc Claim Listing Return to Directory Rating (average) (0) Business Genre Commercial, Publishing Business Website Address itnh.com Business Address, City 150 Dow St, Manchester ZIP Code 03101 Business Phone Number 6036696900 Business Fax 6036696911 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?