US Post Office is located at 100 Monroe St, Centerton, AR. This location is in the Centerton neighborhood. This business specializes in Post Offices. US Post Office is open Mon, 8:05am-4:05pm; Tue, 8:05am-4:05pm; Wed, 8:05am-4:05pm; Thu, 8:05am-4:05pm; Fri, 8:05am-4:05pm; Sat, 8:05am-11:05am; Sun, Closed and accepts American Express, Discover, Mastercard and Visa.