US Post Office is located at 2346 Belt Line Rd, Garland, TX. This business specializes in Post Offices. US Post Office is open Mon, 8:05am-6pm ; Tue, 8:05am-6pm ; Wed, 8:05am-6pm ; Thu, 8:05am-6pm ; Fri, 8:05am-6pm ; Sat, 8:05am-12pm ; Sun, Closed. and accepts American Express, Discover and Visa.