US Post Office is located at 140 Bidarka St, Kenai, AK. This business specializes in Post Offices. US Post Office is open Mon, 8:59am-5pm; Tue, 8:59am-5pm; Wed, 8:59am-5pm; Thu, 8:59am-5pm; Fri, 8:59am-5pm; Sat, 9:05am-1pm; Sun, Closed and accepts American Express, Discover, Mastercard and Visa.