Webster First Federal Credit Union is located at 313 Boston Post Rd W, Marlborough, MA. This business specializes in Credit Unions. Webster First Federal Credit Union is open Mon, 9am-5pm; Tue, 9am-5pm; Wed, 9am-5pm; Thu, 9am-5pm; Fri, 9am-5pm; Sat, Closed; Sun, Closed and accepts American Express, Cash, Discover and Visa.