US Post Office is located at 105 Main St, Randall, KS. This business specializes in Post Offices. US Post Office is open Mon, 9am-3:59pm ; Tue, 9am-3:59pm ; Wed, 9am-3:59pm ; Thu, 9am-3:59pm ; Fri, 9am-3:59pm ; Sat, 9:25am-10:25am ; Sun, Closed. and accepts American Express, Discover and Visa.