US Post Office is located at 4641 Post St, El Dorado Hills, CA. This business specializes in Post Offices. US Post Office is open Mon, 8:05am-5:05pm; Tue, 8:05am-5:05pm; Wed, 8:05am-5:05pm; Thu, 8:05am-5:05pm; Fri, 8:05am-5:05pm; Sat, 10am-3pm; Sun, Closed and accepts American Express, Discover, Mastercard and Visa.