US Post Office is located at 108 E Lincoln Ave, Lakin, KS. This business specializes in Post Offices. US Post Office is open Mon, 10am-4:05pm; Tue, 10am-4:05pm; Wed, 10am-4:05pm; Thu, 10am-4:05pm; Fri, 10am-4:05pm; Sat, 11am-12pm; Sun, Closed and accepts American Express, Discover, Mastercard and Visa.