US Post Office is located at 1801 Polk St, Hollywood, FL. This location is in the Royal Poinciana neighborhood. This business specializes in Post Offices. US Post Office is open Mon, 9am-6pm; Tue, 9am-6pm; Wed, 9am-6pm; Thu, 9am-6pm; Fri, 9am-6pm; Sat, 8:05am-1pm; Sun, Closed and accepts American Express, Discover and Visa.