US Post Office is located at 167 E 124Th St, New York, NY. This business specializes in Post Offices. US Post Office is open Mon, 9am-5pm ; Tue, 9am-5pm ; Wed, 9am-5pm ; Thu, 9am-5pm ; Fri, 9am-5pm ; Sat, 9am-4pm ; Sun, Closed. and accepts American Express, Discover and Visa.