Directions to Harwich Chamber of Commerce Directions to Harwich Chamber of Commerce Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Non - Profit Organizations >> Non - Profit Harwich Chamber of Commerce One School House RoadHarwich Port, MA 02646 | View on Google Maps (508) 430-1165 | (800) 442-7942 | fax: (508) 430-2105 Visit Site Get directions to: Harwich Chamber of Commerce, One School House Road, Harwich Port MA Get directions from: Click to Print This Page If your business isn't here, contact us today to get listed!