AT&T is located at 197 Boston Post Rd W, Marlborough, MA. This business specializes in Telecommunications. AT&T is open Mon, 10am-7pm; Tue, 10am-7pm; Wed, 10am-7pm; Thu, 10am-7pm; Fri, 10am-7pm; Sat, 10am-5pm; Sun, 12pm-5pm and accepts All Major Credit Cards, American Express, Cash, Discover, Mastercard, Personal Checks and Visa.