US Post Office is located at 776 Route 63, Westmoreland, NH. This business specializes in Post Offices. US Post Office is open Mon, 7:59am-4:59pm; Tue, 7:59am-4:59pm; Wed, 7:59am-4:59pm; Thu, 7:59am-4:59pm; Fri, 7:59am-4:59pm; Sat, 7:59am-11:25am; Sun, Closed and accepts American Express, Discover, Mastercard and Visa.