US Post Office is located at 21 N Main St, Startex, SC. This business specializes in Post Offices. US Post Office is open Mon, 7:05am-4:05pm; Tue, 7:05am-4:05pm; Wed, 7:05am-4:05pm; Thu, 7:05am-4:05pm; Fri, 8am-11:05am; Sat, Closed; Sun, Closed and accepts American Express, Discover, Mastercard and Visa.