US Post Office is located at 2234 N Bellflower Blvd, Long Beach, CA. This location is in the Stratford Square neighborhood. This business specializes in Post Offices. US Post Office is open Mon, 7:05am-5:05pm; Tue, 7:05am-5:05pm; Wed, 7:05am-5:05pm; Thu, 7:05am-5:05pm; Fri, 7:05am-5:05pm; Sat, 9am-3pm; Sun, Closed and accepts American Express, Discover, Mastercard and Visa.