US Post Office is located at 100466 Highway 7, Swiftown, MS. This business specializes in Post Offices. US Post Office is open Mon, 7:05am-2:05pm; Tue, 7:05am-2:05pm; Wed, 7:05am-2:05pm; Thu, 7:05am-2:05pm; Fri, 7:05am-2:05pm; Sat, 7:05am-2:05pm; Sun, Closed and accepts American Express, Discover, Mastercard and Visa.