US Post Office is located at 35 Park Pl, Branford, CT. This business specializes in Post Offices. US Post Office is open Mon, 8am-5pm ; Tue, 8am-5pm ; Wed, 8am-5pm ; Thu, 8am-5pm ; Fri, 8am-5pm ; Sat, 8:05am-12:05pm ; Sun, Closed. and accepts American Express, Discover and Visa.