US Post Office is located at 515 E Carefree Hwy, Phoenix, AZ. 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, 8:05am-12:05pm; Sun, Closed and accepts American Express, Discover, Mastercard and Visa.