US Post Office is located at 288 Haysi Main St, Haysi, VA. This business specializes in Post Offices. US Post Office is open Mon, 8am-4pm; Tue, 8am-4pm; Wed, 8am-4pm; Thu, 8am-4pm; Fri, 8am-4pm; Sat, 8am-10am; Sun, Closed and accepts American Express, Discover, Mastercard and Visa.