US Post Office is located at 11274 Georgia Highway 17, Martin, GA. This business specializes in Post Offices. US Post Office is open Mon, 7:05am-4pm; Tue, 7:05am-4pm; Wed, 7:05am-4pm; Thu, 7:05am-4pm; Fri, 7:05am-4pm; Sat, 7:05am-10:59am; Sun, Closed and accepts American Express, Discover, Mastercard and Visa.